diff --git a/cmd/BUILD.bazel b/cmd/BUILD.bazel
index 54b3ea7..d132cde 100644
--- a/cmd/BUILD.bazel
+++ b/cmd/BUILD.bazel
@@ -21,6 +21,7 @@ go_library(
     deps = [
         "//pkg",
         "//pkg/auth",
+        "//pkg/common",
         "@com_github_eat_pray_ai_cobra_mcp//:cobra-mcp",
         "@com_github_modelcontextprotocol_go_sdk//mcp",
         "@com_github_savioxavier_termlink//:termlink",
diff --git a/cmd/caption/BUILD.bazel b/cmd/caption/BUILD.bazel
index 55c772d..3ba1f57 100644
--- a/cmd/caption/BUILD.bazel
+++ b/cmd/caption/BUILD.bazel
@@ -21,6 +21,5 @@ go_library(
         "@com_github_google_jsonschema_go//jsonschema",
         "@com_github_modelcontextprotocol_go_sdk//mcp",
         "@com_github_spf13_cobra//:cobra",
-        "@com_github_spf13_pflag//:pflag",
     ],
 )
diff --git a/cmd/caption/caption.go b/cmd/caption/caption.go
index 92cc65c..3c3d58f 100644
--- a/cmd/caption/caption.go
+++ b/cmd/caption/caption.go
@@ -7,7 +7,6 @@ import (
 	"github.com/eat-pray-ai/yutu/cmd"
 	"github.com/eat-pray-ai/yutu/pkg/utils"
 	"github.com/spf13/cobra"
-	"github.com/spf13/pflag"
 )
 
 const (
@@ -53,7 +52,7 @@ var captionCmd = &cobra.Command{
 	Short: short,
 	Long:  long,
 	PersistentPreRun: func(cmd *cobra.Command, _ []string) {
-		resetFlags(cmd.Flags())
+		resetFlags(cmd)
 	},
 	Run: func(cmd *cobra.Command, _ []string) {
 		_ = cmd.Help()
@@ -64,14 +63,22 @@ func init() {
 	cmd.RootCmd.AddCommand(captionCmd)
 }
 
-func resetFlags(flagSet *pflag.FlagSet) {
-	boolMap := map[string]**bool{
+func resetFlags(cmd *cobra.Command) {
+	flagSet := cmd.Flags()
+	boolFlags := map[string]**bool{
 		"isAutoSynced": &isAutoSynced,
 		"isCC":         &isCC,
 		"isDraft":      &isDraft,
 		"isEasyReader": &isEasyReader,
 		"isLarge":      &isLarge,
 	}
+	utils.ResetFlags(boolFlags, flagSet)
 
-	utils.ResetFlags(boolMap, flagSet)
+	if cmd.Name() == "update" {
+		stringFlags := map[string]*string{
+			"audioTrackType": &audioTrackType,
+			"trackKind":      &trackKind,
+		}
+		utils.ResetFlags(stringFlags, flagSet)
+	}
 }
diff --git a/cmd/caption/update.go b/cmd/caption/update.go
index df84c91..6692312 100644
--- a/cmd/caption/update.go
+++ b/cmd/caption/update.go
@@ -38,7 +38,7 @@ var updateInSchema = &jsonschema.Schema{
 		"file": {Type: "string", Description: fileUsage},
 		"audio_track_type": {
 			Type: "string", Description: attUsage,
-			Default: jsontext.Value(`"unknown"`),
+			Enum: []any{"unknown", "primary", "commentary", "descriptive"},
 		},
 		"is_auto_synced": {Type: "boolean", Description: iasUsage},
 		"is_cc":          {Type: "boolean", Description: iscUsage},
@@ -49,8 +49,7 @@ var updateInSchema = &jsonschema.Schema{
 		"name":           {Type: "string", Description: nameUsage},
 		"track_kind": {
 			Type: "string", Description: tkUsage,
-			Enum:    []any{"standard", "ASR", "forced"},
-			Default: jsontext.Value(`"standard"`),
+			Enum: []any{"standard", "ASR", "forced"},
 		},
 		"video_id":                   {Type: "string", Description: vidUsage},
 		"on_behalf_of":               {Type: "string", Description: pkg.OBOUsage},
diff --git a/cmd/channel/channel.go b/cmd/channel/channel.go
index 302a15b..a0ce3b2 100644
--- a/cmd/channel/channel.go
+++ b/cmd/channel/channel.go
@@ -5,6 +5,7 @@ package channel
 
 import (
 	"github.com/eat-pray-ai/yutu/cmd"
+	"github.com/eat-pray-ai/yutu/pkg/utils"
 	"github.com/spf13/cobra"
 )
 
@@ -31,10 +32,10 @@ var (
 	ids             []string
 	channelFor      string
 	maxResults      int64
-	country         string
+	country         = new("")
 	customUrl       string
-	defaultLanguage string
-	description     string
+	defaultLanguage = new("")
+	description     = new("")
 	title           string
 	parts           []string
 
@@ -45,6 +46,14 @@ var channelCmd = &cobra.Command{
 	Use:   "channel",
 	Short: short,
 	Long:  long,
+	PersistentPreRun: func(cmd *cobra.Command, _ []string) {
+		stringFlags := map[string]**string{
+			"country":         &country,
+			"defaultLanguage": &defaultLanguage,
+			"description":     &description,
+		}
+		utils.ResetFlags(stringFlags, cmd.Flags())
+	},
 	Run: func(cmd *cobra.Command, _ []string) {
 		_ = cmd.Help()
 	},
diff --git a/cmd/channel/update.go b/cmd/channel/update.go
index c81db11..ad6b0a4 100644
--- a/cmd/channel/update.go
+++ b/cmd/channel/update.go
@@ -77,14 +77,12 @@ func init() {
 	channelCmd.AddCommand(updateCmd)
 
 	updateCmd.Flags().StringSliceVarP(&ids, "id", "i", []string{}, updateIdUsage)
-	updateCmd.Flags().StringVarP(&country, "country", "c", "", countryUsage)
+	updateCmd.Flags().StringVarP(country, "country", "c", "", countryUsage)
 	updateCmd.Flags().StringVarP(&customUrl, "customUrl", "u", "", curlUsage)
 	updateCmd.Flags().StringVarP(
-		&defaultLanguage, "defaultLanguage", "l", "", dlUsage,
-	)
-	updateCmd.Flags().StringVarP(
-		&description, "description", "d", "", descUsage,
+		defaultLanguage, "defaultLanguage", "l", "", dlUsage,
 	)
+	updateCmd.Flags().StringVarP(description, "description", "d", "", descUsage)
 	updateCmd.Flags().StringVarP(&title, "title", "t", "", titleUsage)
 	updateCmd.Flags().StringP("output", "o", "", pkg.SilentUsage)
 	updateCmd.Flags().Bool("yes", false, pkg.ConfirmedUsage)
diff --git a/cmd/liveBroadcast/BUILD.bazel b/cmd/liveBroadcast/BUILD.bazel
index 4f26d9a..dba2f2d 100644
--- a/cmd/liveBroadcast/BUILD.bazel
+++ b/cmd/liveBroadcast/BUILD.bazel
@@ -23,6 +23,5 @@ go_library(
         "@com_github_google_jsonschema_go//jsonschema",
         "@com_github_modelcontextprotocol_go_sdk//mcp",
         "@com_github_spf13_cobra//:cobra",
-        "@com_github_spf13_pflag//:pflag",
     ],
 )
diff --git a/cmd/liveBroadcast/insert.go b/cmd/liveBroadcast/insert.go
index cb1d1ab..8373265 100644
--- a/cmd/liveBroadcast/insert.go
+++ b/cmd/liveBroadcast/insert.go
@@ -81,7 +81,7 @@ func init() {
 	liveBroadcastCmd.AddCommand(insertCmd)
 
 	insertCmd.Flags().StringVarP(&title, "title", "t", "", titleUsage)
-	insertCmd.Flags().StringVarP(&description, "description", "d", "", descUsage)
+	insertCmd.Flags().StringVarP(description, "description", "d", "", descUsage)
 	insertCmd.Flags().StringVarP(
 		&scheduledStartTime, "scheduledStartTime", "S", "", sstUsage,
 	)
diff --git a/cmd/liveBroadcast/insertCuepoint.go b/cmd/liveBroadcast/insertCuepoint.go
index 22ce542..67f11b2 100644
--- a/cmd/liveBroadcast/insertCuepoint.go
+++ b/cmd/liveBroadcast/insertCuepoint.go
@@ -42,9 +42,15 @@ var insertCuepointInSchema = &jsonschema.Schema{
 			Type: "string", Enum: []any{"cueTypeAd"},
 			Description: ctUsage,
 		},
-		"cue_duration_secs":          {Type: "number", Description: cdsUsage},
-		"cue_insertion_offset_ms":    {Type: "number", Description: ciomUsage},
-		"cue_walltime_ms":            {Type: "number", Description: cwmUsage},
+		"cue_duration_secs": {
+			Type: "number", Description: cdsUsage, Minimum: new(float64(0)),
+		},
+		"cue_insertion_offset_ms": {
+			Type: "number", Description: ciomUsage, Minimum: new(float64(0)),
+		},
+		"cue_walltime_ms": {
+			Type: "number", Description: cwmUsage, Minimum: new(float64(0)),
+		},
 		"on_behalf_of_content_owner": {Type: "string", Description: pkg.OBOCOUsage},
 		"on_behalf_of_content_owner_channel": {
 			Type: "string", Description: obococUsage,
diff --git a/cmd/liveBroadcast/liveBroadcast.go b/cmd/liveBroadcast/liveBroadcast.go
index 1ad5c1b..da31da2 100644
--- a/cmd/liveBroadcast/liveBroadcast.go
+++ b/cmd/liveBroadcast/liveBroadcast.go
@@ -30,7 +30,7 @@ const (
 var (
 	ids                           []string
 	title                         string
-	description                   string
+	description                   = new("")
 	mine                          = new(false)
 	broadcastStatus               string
 	broadcastType                 string
@@ -54,6 +54,9 @@ var liveBroadcastCmd = &cobra.Command{
 	Long:  long,
 	PersistentPreRun: func(cmd *cobra.Command, _ []string) {
 		utils.ResetFlags(map[string]**bool{"mine": &mine}, cmd.Flags())
+		utils.ResetFlags(
+			map[string]**string{"description": &description}, cmd.Flags(),
+		)
 	},
 	Run: func(cmd *cobra.Command, _ []string) {
 		_ = cmd.Help()
diff --git a/cmd/liveBroadcast/update.go b/cmd/liveBroadcast/update.go
index 2325795..5eca752 100644
--- a/cmd/liveBroadcast/update.go
+++ b/cmd/liveBroadcast/update.go
@@ -84,7 +84,7 @@ func init() {
 
 	updateCmd.Flags().StringSliceVarP(&ids, "id", "i", []string{}, updateIdUsage)
 	updateCmd.Flags().StringVarP(&title, "title", "t", "", titleUsage)
-	updateCmd.Flags().StringVarP(&description, "description", "d", "", descUsage)
+	updateCmd.Flags().StringVarP(description, "description", "d", "", descUsage)
 	updateCmd.Flags().StringVarP(
 		&scheduledStartTime, "scheduledStartTime", "S", "", sstUsage,
 	)
diff --git a/cmd/liveChatBan/insert.go b/cmd/liveChatBan/insert.go
index 2f39e49..2a99a32 100644
--- a/cmd/liveChatBan/insert.go
+++ b/cmd/liveChatBan/insert.go
@@ -35,8 +35,13 @@ var insertInSchema = &jsonschema.Schema{
 	Properties: map[string]*jsonschema.Schema{
 		"live_chat_id":           {Type: "string", Description: lcidUsage},
 		"banned_user_channel_id": {Type: "string", Description: bucidUsage},
-		"ban_type":               {Type: "string", Description: banTypeUsage},
-		"ban_duration_seconds":   {Type: "number", Description: banDurationUsage},
+		"ban_type": {
+			Type: "string", Description: banTypeUsage,
+			Enum: []any{"permanent", "temporary"},
+		},
+		"ban_duration_seconds": {
+			Type: "number", Description: banDurationUsage, Minimum: new(float64(0)),
+		},
 		"parts": {
 			Type: "array", Description: "Parts to include in the response",
 			Items: &jsonschema.Schema{Type: "string"}, Default: jsontext.Value(`["snippet"]`),
diff --git a/cmd/liveStream/BUILD.bazel b/cmd/liveStream/BUILD.bazel
index 00ba102..98183fc 100644
--- a/cmd/liveStream/BUILD.bazel
+++ b/cmd/liveStream/BUILD.bazel
@@ -20,6 +20,5 @@ go_library(
         "@com_github_google_jsonschema_go//jsonschema",
         "@com_github_modelcontextprotocol_go_sdk//mcp",
         "@com_github_spf13_cobra//:cobra",
-        "@com_github_spf13_pflag//:pflag",
     ],
 )
diff --git a/cmd/liveStream/insert.go b/cmd/liveStream/insert.go
index 3cc5e8a..a427035 100644
--- a/cmd/liveStream/insert.go
+++ b/cmd/liveStream/insert.go
@@ -87,7 +87,7 @@ func init() {
 	liveStreamCmd.AddCommand(insertCmd)
 
 	insertCmd.Flags().StringVarP(&title, "title", "t", "", titleUsage)
-	insertCmd.Flags().StringVarP(&description, "description", "d", "", descUsage)
+	insertCmd.Flags().StringVarP(description, "description", "d", "", descUsage)
 	insertCmd.Flags().StringVarP(&frameRate, "frameRate", "f", "", frUsage)
 	insertCmd.Flags().StringVarP(&ingestionType, "ingestionType", "I", "", itUsage)
 	insertCmd.Flags().StringVarP(&resolution, "resolution", "r", "", resUsage)
diff --git a/cmd/liveStream/liveStream.go b/cmd/liveStream/liveStream.go
index abf32d8..d72d4ba 100644
--- a/cmd/liveStream/liveStream.go
+++ b/cmd/liveStream/liveStream.go
@@ -23,7 +23,7 @@ const (
 var (
 	ids                           []string
 	title                         string
-	description                   string
+	description                   = new("")
 	mine                          = new(false)
 	frameRate                     string
 	ingestionType                 string
@@ -40,6 +40,9 @@ var liveStreamCmd = &cobra.Command{
 	Long:  long,
 	PersistentPreRun: func(cmd *cobra.Command, _ []string) {
 		utils.ResetFlags(map[string]**bool{"mine": &mine}, cmd.Flags())
+		utils.ResetFlags(
+			map[string]**string{"description": &description}, cmd.Flags(),
+		)
 	},
 	Run: func(cmd *cobra.Command, _ []string) {
 		_ = cmd.Help()
diff --git a/cmd/liveStream/update.go b/cmd/liveStream/update.go
index 2a904e3..b6e67c6 100644
--- a/cmd/liveStream/update.go
+++ b/cmd/liveStream/update.go
@@ -90,7 +90,7 @@ func init() {
 
 	updateCmd.Flags().StringSliceVarP(&ids, "id", "i", []string{}, updateIdUsage)
 	updateCmd.Flags().StringVarP(&title, "title", "t", "", titleUsage)
-	updateCmd.Flags().StringVarP(&description, "description", "d", "", descUsage)
+	updateCmd.Flags().StringVarP(description, "description", "d", "", descUsage)
 	updateCmd.Flags().StringVarP(&frameRate, "frameRate", "f", "", frUsage)
 	updateCmd.Flags().StringVarP(&ingestionType, "ingestionType", "I", "", itUsage)
 	updateCmd.Flags().StringVarP(&resolution, "resolution", "r", "", resUsage)
diff --git a/cmd/playlist/insert.go b/cmd/playlist/insert.go
index 13e8b9f..05af63e 100644
--- a/cmd/playlist/insert.go
+++ b/cmd/playlist/insert.go
@@ -79,9 +79,9 @@ func init() {
 	playlistCmd.AddCommand(insertCmd)
 
 	insertCmd.Flags().StringVarP(&title, "title", "t", "", titleUsage)
-	insertCmd.Flags().StringVarP(&description, "description", "d", "", descUsage)
+	insertCmd.Flags().StringVarP(description, "description", "d", "", descUsage)
 	insertCmd.Flags().StringSliceVarP(&tags, "tags", "a", []string{}, tagsUsage)
-	insertCmd.Flags().StringVarP(&language, "language", "l", "", languageUsage)
+	insertCmd.Flags().StringVarP(language, "language", "l", "", languageUsage)
 	insertCmd.Flags().StringVarP(&channelId, "channelId", "c", "", insertCidUsage)
 	insertCmd.Flags().StringVarP(&privacy, "privacy", "p", "", privacyUsage)
 	insertCmd.Flags().StringP("output", "o", "", pkg.SilentUsage)
diff --git a/cmd/playlist/playlist.go b/cmd/playlist/playlist.go
index 46721a6..3b63131 100644
--- a/cmd/playlist/playlist.go
+++ b/cmd/playlist/playlist.go
@@ -25,12 +25,12 @@ const (
 var (
 	ids         []string
 	title       string
-	description string
+	description = new("")
 	hl          string
 	maxResults  int64
 	mine        = new(false)
 	tags        []string
-	language    string
+	language    = new("")
 	channelId   string
 	privacy     string
 	parts       []string
@@ -45,6 +45,13 @@ var playlistCmd = &cobra.Command{
 	Long:  long,
 	PersistentPreRun: func(cmd *cobra.Command, _ []string) {
 		utils.ResetFlags(map[string]**bool{"mine": &mine}, cmd.Flags())
+		utils.ResetFlags(map[string]*[]string{"tags": &tags}, cmd.Flags())
+
+		stringFlags := map[string]**string{
+			"description": &description,
+			"language":    &language,
+		}
+		utils.ResetFlags(stringFlags, cmd.Flags())
 	},
 	Run: func(cmd *cobra.Command, _ []string) {
 		_ = cmd.Help()
diff --git a/cmd/playlist/update.go b/cmd/playlist/update.go
index 2313816..649d006 100644
--- a/cmd/playlist/update.go
+++ b/cmd/playlist/update.go
@@ -86,9 +86,9 @@ func init() {
 
 	updateCmd.Flags().StringSliceVarP(&ids, "id", "i", []string{}, updateIdUsage)
 	updateCmd.Flags().StringVarP(&title, "title", "t", "", titleUsage)
-	updateCmd.Flags().StringVarP(&description, "description", "d", "", descUsage)
+	updateCmd.Flags().StringVarP(description, "description", "d", "", descUsage)
 	updateCmd.Flags().StringSliceVarP(&tags, "tags", "a", []string{}, tagsUsage)
-	updateCmd.Flags().StringVarP(&language, "language", "l", "", languageUsage)
+	updateCmd.Flags().StringVarP(language, "language", "l", "", languageUsage)
 	updateCmd.Flags().StringVarP(&privacy, "privacy", "p", "", privacyUsage)
 	updateCmd.Flags().StringP("output", "o", "", pkg.SilentUsage)
 	updateCmd.Flags().Bool("yes", false, pkg.ConfirmedUsage)
diff --git a/cmd/playlistItem/insert.go b/cmd/playlistItem/insert.go
index 1bb7ba7..ac6c6d4 100644
--- a/cmd/playlistItem/insert.go
+++ b/cmd/playlistItem/insert.go
@@ -81,7 +81,7 @@ func init() {
 	playlistItemCmd.AddCommand(insertCmd)
 
 	insertCmd.Flags().StringVarP(&title, "title", "t", "", titleUsage)
-	insertCmd.Flags().StringVarP(&description, "description", "d", "", descUsage)
+	insertCmd.Flags().StringVarP(description, "description", "d", "", descUsage)
 	insertCmd.Flags().StringVarP(&kind, "kind", "k", "", kindUsage)
 	insertCmd.Flags().StringVarP(&kVideoId, "kVideoId", "V", "", kvidUsage)
 	insertCmd.Flags().StringVarP(&kChannelId, "kChannelId", "C", "", kcidUsage)
diff --git a/cmd/playlistItem/playlistItem.go b/cmd/playlistItem/playlistItem.go
index a2b3f71..a78ff08 100644
--- a/cmd/playlistItem/playlistItem.go
+++ b/cmd/playlistItem/playlistItem.go
@@ -5,6 +5,7 @@ package playlistItem
 
 import (
 	"github.com/eat-pray-ai/yutu/cmd"
+	"github.com/eat-pray-ai/yutu/pkg/utils"
 	"github.com/spf13/cobra"
 )
 
@@ -25,7 +26,7 @@ const (
 var (
 	ids         []string
 	title       string
-	description string
+	description = new("")
 	kind        string
 	kVideoId    string
 	kChannelId  string
@@ -44,6 +45,11 @@ var playlistItemCmd = &cobra.Command{
 	Use:   "playlistItem",
 	Short: short,
 	Long:  long,
+	PersistentPreRun: func(cmd *cobra.Command, _ []string) {
+		utils.ResetFlags(
+			map[string]**string{"description": &description}, cmd.Flags(),
+		)
+	},
 	Run: func(cmd *cobra.Command, _ []string) {
 		_ = cmd.Help()
 	},
diff --git a/cmd/playlistItem/update.go b/cmd/playlistItem/update.go
index 41c0073..17e3fb7 100644
--- a/cmd/playlistItem/update.go
+++ b/cmd/playlistItem/update.go
@@ -80,7 +80,7 @@ func init() {
 
 	updateCmd.Flags().StringSliceVarP(&ids, "id", "i", []string{}, updateIdUsage)
 	updateCmd.Flags().StringVarP(&title, "title", "t", "", titleUsage)
-	updateCmd.Flags().StringVarP(&description, "description", "d", "", descUsage)
+	updateCmd.Flags().StringVarP(description, "description", "d", "", descUsage)
 	updateCmd.Flags().StringVarP(&privacy, "privacy", "p", "", privacyUsage)
 	updateCmd.Flags().StringVarP(
 		&onBehalfOfContentOwner, "onBehalfOfContentOwner", "b", "", pkg.OBOCOUsage,
diff --git a/cmd/search/list.go b/cmd/search/list.go
index 69f6b9c..d62222e 100644
--- a/cmd/search/list.go
+++ b/cmd/search/list.go
@@ -59,6 +59,10 @@ var listInSchema = &jsonschema.Schema{
 		"order": {
 			Type: "string", Description: orderUsage,
 			Default: jsontext.Value(`"relevance"`),
+			Enum: []any{
+				"searchSortUnspecified", "date", "rating",
+				"viewCount", "relevance", "title", "videoCount",
+			},
 		},
 		"published_after":    {Type: "string", Description: paUsage},
 		"published_before":   {Type: "string", Description: pbUsage},
@@ -85,7 +89,10 @@ var listInSchema = &jsonschema.Schema{
 			Default: jsontext.Value(`"any"`),
 		},
 		"video_category_id": {Type: "string", Description: vcidUsage},
-		"video_definition":  {Type: "string", Description: vdeUsage},
+		"video_definition": {
+			Type: "string", Description: vdeUsage,
+			Enum: []any{"any", "high", "standard"},
+		},
 		"video_dimension": {
 			Type: "string", Enum: []any{"any", "2d", "3d"},
 			Description: vdiUsage, Default: jsontext.Value(`"any"`),
diff --git a/cmd/search/search.go b/cmd/search/search.go
index da8a6ef..028c925 100644
--- a/cmd/search/search.go
+++ b/cmd/search/search.go
@@ -17,7 +17,7 @@ const (
 	forUsage      = "mine|developer|contentOwner"
 	locationUsage = "Filter on location of the video"
 	lrUsage       = "Filter on distance from the location"
-	orderUsage    = "searchSortUnspecified, date, rating, viewCount, relevance, title, videoCount"
+	orderUsage    = "searchSortUnspecified|date|rating|viewCount|relevance|title|videoCount"
 	paUsage       = "Filter on resources published after this date"
 	pbUsage       = "Filter on resources published before this date"
 	qUsage        = "Textual search terms to match"
diff --git a/cmd/watermark/set.go b/cmd/watermark/set.go
index b91d9ef..af2e77b 100644
--- a/cmd/watermark/set.go
+++ b/cmd/watermark/set.go
@@ -40,8 +40,8 @@ var setInSchema = &jsonschema.Schema{
 			Type: "string", Description: ivpUsage,
 			Enum: []any{"topLeft", "topRight", "bottomLeft", "bottomRight"},
 		},
-		"duration_ms": {Type: "number", Description: dmUsage},
-		"offset_ms":   {Type: "number", Description: omUsage},
+		"duration_ms": {Type: "number", Description: dmUsage, Minimum: new(float64(0))},
+		"offset_ms":   {Type: "number", Description: omUsage, Minimum: new(float64(0))},
 		"offset_type": {
 			Type: "string", Description: otUsage,
 			Enum: []any{"offsetFromStart", "offsetFromEnd"},
diff --git a/pkg/caption/caption.go b/pkg/caption/caption.go
index 1ad2882..bf64952 100644
--- a/pkg/caption/caption.go
+++ b/pkg/caption/caption.go
@@ -60,7 +60,6 @@ func NewCaption(opts ...Option) ICaption[youtube.Caption] {
 	return c
 }
 
-
 func (c *Caption) Get() ([]*youtube.Caption, error) {
 	if err := c.EnsureService(); err != nil {
 		return nil, err
@@ -159,18 +158,33 @@ func (c *Caption) Update(writer io.Writer) error {
 	}
 	if c.IsAutoSynced != nil {
 		caption.Snippet.IsAutoSynced = *c.IsAutoSynced
+		caption.Snippet.ForceSendFields = append(
+			caption.Snippet.ForceSendFields, "IsAutoSynced",
+		)
 	}
 	if c.IsCC != nil {
 		caption.Snippet.IsCC = *c.IsCC
+		caption.Snippet.ForceSendFields = append(
+			caption.Snippet.ForceSendFields, "IsCC",
+		)
 	}
 	if c.IsDraft != nil {
 		caption.Snippet.IsDraft = *c.IsDraft
+		caption.Snippet.ForceSendFields = append(
+			caption.Snippet.ForceSendFields, "IsDraft",
+		)
 	}
 	if c.IsEasyReader != nil {
 		caption.Snippet.IsEasyReader = *c.IsEasyReader
+		caption.Snippet.ForceSendFields = append(
+			caption.Snippet.ForceSendFields, "IsEasyReader",
+		)
 	}
 	if c.IsLarge != nil {
 		caption.Snippet.IsLarge = *c.IsLarge
+		caption.Snippet.ForceSendFields = append(
+			caption.Snippet.ForceSendFields, "IsLarge",
+		)
 	}
 	if c.Language != "" {
 		caption.Snippet.Language = c.Language
@@ -266,7 +280,9 @@ func (c *Caption) Download(writer io.Writer) error {
 		return errors.Join(errDownloadCaption, err)
 	}
 
-	file, err := pkg.Root.OpenFile(c.File, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
+	file, err := pkg.Root.OpenFile(
+		c.File, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600,
+	)
 	if err != nil {
 		return errors.Join(errDownloadCaption, err)
 	}
diff --git a/pkg/channel/channel.go b/pkg/channel/channel.go
index dff9376..5a00103 100644
--- a/pkg/channel/channel.go
+++ b/pkg/channel/channel.go
@@ -20,15 +20,15 @@ var (
 
 type Channel struct {
 	common.Fields
-	CategoryId      string `yaml:"category_id" json:"category_id,omitempty"`
-	ForHandle       string `yaml:"for_handle" json:"for_handle,omitempty"`
-	ForUsername     string `yaml:"for_username" json:"for_username,omitempty"`
-	For             string `yaml:"for" json:"for,omitempty"`
-	Country         string `yaml:"country" json:"country,omitempty"`
-	CustomUrl       string `yaml:"custom_url" json:"custom_url,omitempty"`
-	DefaultLanguage string `yaml:"default_language" json:"default_language,omitempty"`
-	Description     string `yaml:"description" json:"description,omitempty"`
-	Title           string `yaml:"title" json:"title,omitempty"`
+	CategoryId      string  `yaml:"category_id" json:"category_id,omitempty"`
+	ForHandle       string  `yaml:"for_handle" json:"for_handle,omitempty"`
+	ForUsername     string  `yaml:"for_username" json:"for_username,omitempty"`
+	For             string  `yaml:"for" json:"for,omitempty"`
+	Country         *string `yaml:"country" json:"country,omitzero"`
+	CustomUrl       string  `yaml:"custom_url" json:"custom_url,omitempty"`
+	DefaultLanguage *string `yaml:"default_language" json:"default_language,omitzero"`
+	Description     *string `yaml:"description" json:"description,omitzero"`
+	Title           string  `yaml:"title" json:"title,omitempty"`
 }
 
 type IChannel[T youtube.Channel] interface {
@@ -119,17 +119,17 @@ func (c *Channel) Update(writer io.Writer) error {
 	}
 
 	cha := channels[0]
-	if c.Country != "" {
-		cha.Snippet.Country = c.Country
+	if c.Country != nil {
+		cha.Snippet.Country = *c.Country
 	}
 	if c.CustomUrl != "" {
 		cha.Snippet.CustomUrl = c.CustomUrl
 	}
-	if c.DefaultLanguage != "" {
-		cha.Snippet.DefaultLanguage = c.DefaultLanguage
+	if c.DefaultLanguage != nil {
+		cha.Snippet.DefaultLanguage = *c.DefaultLanguage
 	}
-	if c.Description != "" {
-		cha.Snippet.Description = c.Description
+	if c.Description != nil {
+		cha.Snippet.Description = *c.Description
 	}
 	if c.Title != "" {
 		cha.Snippet.Title = c.Title
@@ -169,7 +169,7 @@ func WithFor(f string) Option {
 	}
 }
 
-func WithCountry(country string) Option {
+func WithCountry(country *string) Option {
 	return func(c *Channel) {
 		c.Country = country
 	}
@@ -181,13 +181,13 @@ func WithCustomUrl(url string) Option {
 	}
 }
 
-func WithDefaultLanguage(language string) Option {
+func WithDefaultLanguage(language *string) Option {
 	return func(c *Channel) {
 		c.DefaultLanguage = language
 	}
 }
 
-func WithDescription(desc string) Option {
+func WithDescription(desc *string) Option {
 	return func(c *Channel) {
 		c.Description = desc
 	}
diff --git a/pkg/channel/channel_test.go b/pkg/channel/channel_test.go
index 5b8d7a1..78a067c 100644
--- a/pkg/channel/channel_test.go
+++ b/pkg/channel/channel_test.go
@@ -39,10 +39,10 @@ func TestNewChannel(t *testing.T) {
 					WithFor("managedByMe"),
 					WithMaxResults(100),
 					WithOnBehalfOfContentOwner("owner123"),
-					WithCountry("US"),
+					WithCountry(new("US")),
 					WithCustomUrl("testchannel"),
-					WithDefaultLanguage("en"),
-					WithDescription("Test channel description"),
+					WithDefaultLanguage(new("en")),
+					WithDescription(new("Test channel description")),
 					WithTitle("Test Channel"),
 					WithParts([]string{"snippet", "contentDetails"}),
 					WithOutput("json"),
@@ -61,10 +61,10 @@ func TestNewChannel(t *testing.T) {
 				ForHandle:              "@testhandle",
 				ForUsername:            "testuser",
 				For:                    "managedByMe",
-				Country:                "US",
+				Country:                new("US"),
 				CustomUrl:              "testchannel",
-				DefaultLanguage:        "en",
-				Description:            "Test channel description",
+				DefaultLanguage:        new("en"),
+				Description:            new("Test channel description"),
 				Title:                  "Test Channel",
 			},
 		},
@@ -137,10 +137,10 @@ func TestNewChannel(t *testing.T) {
 					WithForUsername(""),
 					WithHl(""),
 					WithOnBehalfOfContentOwner(""),
-					WithCountry(""),
+					WithCountry(new("")),
 					WithCustomUrl(""),
-					WithDefaultLanguage(""),
-					WithDescription(""),
+					WithDefaultLanguage(new("")),
+					WithDescription(new("")),
 					WithTitle(""),
 					WithService(svc),
 				},
@@ -150,10 +150,10 @@ func TestNewChannel(t *testing.T) {
 				CategoryId:      "",
 				ForHandle:       "",
 				ForUsername:     "",
-				Country:         "",
+				Country:         new(""),
 				CustomUrl:       "",
-				DefaultLanguage: "",
-				Description:     "",
+				DefaultLanguage: new(""),
+				Description:     new(""),
 				Title:           "",
 			},
 		},
@@ -163,7 +163,7 @@ func TestNewChannel(t *testing.T) {
 				opts: []Option{
 					WithIds([]string{"channel1"}),
 					WithTitle("My Channel"),
-					WithCountry("UK"),
+					WithCountry(new("UK")),
 					WithMaxResults(50),
 					WithService(svc),
 				},
@@ -171,7 +171,7 @@ func TestNewChannel(t *testing.T) {
 			want: &Channel{
 				Service: svc, Ids: []string{"channel1"}, MaxResults: 50,
 				Title:   "My Channel",
-				Country: "UK",
+				Country: new("UK"),
 			},
 		},
 	}
@@ -425,7 +425,7 @@ func TestChannel_Update(t *testing.T) {
 			opts: []Option{
 				WithIds([]string{"channel-id"}),
 				WithTitle("New Title"),
-				WithDescription("New Description"),
+				WithDescription(new("New Description")),
 				WithMaxResults(1),
 			},
 			verify: func(r *http.Request) {
@@ -448,9 +448,9 @@ func TestChannel_Update(t *testing.T) {
 			name: "update channel full",
 			opts: []Option{
 				WithIds([]string{"channel-id"}),
-				WithCountry("US"),
+				WithCountry(new("US")),
 				WithCustomUrl("my-url"),
-				WithDefaultLanguage("en"),
+				WithDefaultLanguage(new("en")),
 				WithMaxResults(1),
 			},
 			verify: func(r *http.Request) {
diff --git a/pkg/comment/comment.go b/pkg/comment/comment.go
index 3ca2cff..84152ff 100644
--- a/pkg/comment/comment.go
+++ b/pkg/comment/comment.go
@@ -149,6 +149,9 @@ func (c *Comment) Update(writer io.Writer) error {
 	comment := comments[0]
 	if c.CanRate != nil {
 		comment.Snippet.CanRate = *c.CanRate
+		comment.Snippet.ForceSendFields = append(
+			comment.Snippet.ForceSendFields, "CanRate",
+		)
 	}
 
 	if c.TextOriginal != "" {
diff --git a/pkg/liveBroadcast/liveBroadcast.go b/pkg/liveBroadcast/liveBroadcast.go
index 0561075..f6b171b 100644
--- a/pkg/liveBroadcast/liveBroadcast.go
+++ b/pkg/liveBroadcast/liveBroadcast.go
@@ -25,15 +25,15 @@ var (
 
 type LiveBroadcast struct {
 	common.Fields
-	Title              string `yaml:"title" json:"title,omitempty"`
-	Description        string `yaml:"description" json:"description,omitempty"`
-	Mine               *bool  `yaml:"mine" json:"mine,omitzero"`
-	BroadcastStatus    string `yaml:"broadcast_status" json:"broadcast_status,omitempty"`
-	BroadcastType      string `yaml:"broadcast_type" json:"broadcast_type,omitempty"`
-	PrivacyStatus      string `yaml:"privacy_status" json:"privacy_status,omitempty"`
-	ScheduledStartTime string `yaml:"scheduled_start_time" json:"scheduled_start_time,omitempty"`
-	ScheduledEndTime   string `yaml:"scheduled_end_time" json:"scheduled_end_time,omitempty"`
-	StreamId           string `yaml:"stream_id" json:"stream_id,omitempty"`
+	Title              string  `yaml:"title" json:"title,omitempty"`
+	Description        *string `yaml:"description" json:"description,omitzero"`
+	Mine               *bool   `yaml:"mine" json:"mine,omitzero"`
+	BroadcastStatus    string  `yaml:"broadcast_status" json:"broadcast_status,omitempty"`
+	BroadcastType      string  `yaml:"broadcast_type" json:"broadcast_type,omitempty"`
+	PrivacyStatus      string  `yaml:"privacy_status" json:"privacy_status,omitempty"`
+	ScheduledStartTime string  `yaml:"scheduled_start_time" json:"scheduled_start_time,omitempty"`
+	ScheduledEndTime   string  `yaml:"scheduled_end_time" json:"scheduled_end_time,omitempty"`
+	StreamId           string  `yaml:"stream_id" json:"stream_id,omitempty"`
 
 	CueType              string `yaml:"cue_type" json:"cue_type,omitempty"`
 	CueDurationSecs      int64  `yaml:"cue_duration_secs" json:"cue_duration_secs,omitzero"`
@@ -129,7 +129,6 @@ func (b *LiveBroadcast) Insert(writer io.Writer) error {
 	broadcast := &youtube.LiveBroadcast{
 		Snippet: &youtube.LiveBroadcastSnippet{
 			Title:              b.Title,
-			Description:        b.Description,
 			ScheduledStartTime: b.ScheduledStartTime,
 			ScheduledEndTime:   b.ScheduledEndTime,
 		},
@@ -137,6 +136,9 @@ func (b *LiveBroadcast) Insert(writer io.Writer) error {
 			PrivacyStatus: b.PrivacyStatus,
 		},
 	}
+	if b.Description != nil {
+		broadcast.Snippet.Description = *b.Description
+	}
 
 	call := b.Service.LiveBroadcasts.Insert(b.Parts, broadcast)
 	if b.OnBehalfOfContentOwner != "" {
@@ -188,8 +190,8 @@ func (b *LiveBroadcast) Update(writer io.Writer) error {
 	if b.Title != "" {
 		broadcast.Snippet.Title = b.Title
 	}
-	if b.Description != "" {
-		broadcast.Snippet.Description = b.Description
+	if b.Description != nil {
+		broadcast.Snippet.Description = *b.Description
 	}
 	if b.ScheduledStartTime != "" {
 		broadcast.Snippet.ScheduledStartTime = b.ScheduledStartTime
@@ -339,7 +341,7 @@ func WithTitle(title string) Option {
 	}
 }
 
-func WithDescription(description string) Option {
+func WithDescription(description *string) Option {
 	return func(b *LiveBroadcast) {
 		b.Description = description
 	}
diff --git a/pkg/liveBroadcast/liveBroadcast_test.go b/pkg/liveBroadcast/liveBroadcast_test.go
index a908c65..0404b36 100644
--- a/pkg/liveBroadcast/liveBroadcast_test.go
+++ b/pkg/liveBroadcast/liveBroadcast_test.go
@@ -35,7 +35,7 @@ func TestNewLiveBroadcast(t *testing.T) {
 				opts: []Option{
 					WithIds([]string{"broadcast1", "broadcast2"}),
 					WithTitle("Test Broadcast"),
-					WithDescription("A test broadcast"),
+					WithDescription(new("A test broadcast")),
 					WithMine(&mine),
 					WithBroadcastStatus("active"),
 					WithBroadcastType("event"),
@@ -63,7 +63,7 @@ func TestNewLiveBroadcast(t *testing.T) {
 				Ids:                           []string{"broadcast1", "broadcast2"},
 				OnBehalfOfContentOwner:        "owner123",
 				Title:                         "Test Broadcast",
-				Description:                   "A test broadcast",
+				Description:                   new("A test broadcast"),
 				Mine:                          &mine,
 				BroadcastStatus:               "active",
 				BroadcastType:                 "event",
@@ -112,7 +112,7 @@ func TestNewLiveBroadcast(t *testing.T) {
 			args: args{
 				opts: []Option{
 					WithTitle(""),
-					WithDescription(""),
+					WithDescription(new("")),
 					WithBroadcastStatus(""),
 					WithBroadcastType(""),
 					WithPrivacyStatus(""),
@@ -124,7 +124,7 @@ func TestNewLiveBroadcast(t *testing.T) {
 			want: &LiveBroadcast{
 				Fields:             common.Fields{},
 				Title:              "",
-				Description:        "",
+				Description:        new(""),
 				BroadcastStatus:    "",
 				BroadcastType:      "",
 				PrivacyStatus:      "",
@@ -341,7 +341,7 @@ func TestLiveBroadcast_Insert(t *testing.T) {
 			name: "insert live broadcast",
 			opts: []Option{
 				WithTitle("New Broadcast"),
-				WithDescription("A new live broadcast"),
+				WithDescription(new("A new live broadcast")),
 				WithPrivacyStatus("public"),
 				WithScheduledStartTime("2026-01-01T00:00:00Z"),
 				WithScheduledEndTime("2026-01-01T01:00:00Z"),
@@ -429,7 +429,7 @@ func TestLiveBroadcast_Update(t *testing.T) {
 			opts: []Option{
 				WithIds([]string{"broadcast-1"}),
 				WithTitle("Updated Broadcast"),
-				WithDescription("Updated description"),
+				WithDescription(new("Updated description")),
 				WithMaxResults(1),
 			},
 			wantErr: false,
diff --git a/pkg/liveStream/liveStream.go b/pkg/liveStream/liveStream.go
index daa8179..7d87764 100644
--- a/pkg/liveStream/liveStream.go
+++ b/pkg/liveStream/liveStream.go
@@ -22,12 +22,12 @@ var (
 
 type LiveStream struct {
 	common.Fields
-	Title         string `yaml:"title" json:"title,omitempty"`
-	Description   string `yaml:"description" json:"description,omitempty"`
-	Mine          *bool  `yaml:"mine" json:"mine,omitzero"`
-	FrameRate     string `yaml:"frame_rate" json:"frame_rate,omitempty"`
-	IngestionType string `yaml:"ingestion_type" json:"ingestion_type,omitempty"`
-	Resolution    string `yaml:"resolution" json:"resolution,omitempty"`
+	Title         string  `yaml:"title" json:"title,omitempty"`
+	Description   *string `yaml:"description" json:"description,omitzero"`
+	Mine          *bool   `yaml:"mine" json:"mine,omitzero"`
+	FrameRate     string  `yaml:"frame_rate" json:"frame_rate,omitempty"`
+	IngestionType string  `yaml:"ingestion_type" json:"ingestion_type,omitempty"`
+	Resolution    string  `yaml:"resolution" json:"resolution,omitempty"`
 
 	OnBehalfOfContentOwnerChannel string `yaml:"on_behalf_of_content_owner_channel" json:"on_behalf_of_content_owner_channel,omitempty"`
 }
@@ -106,8 +106,7 @@ func (s *LiveStream) Insert(writer io.Writer) error {
 	}
 	stream := &youtube.LiveStream{
 		Snippet: &youtube.LiveStreamSnippet{
-			Title:       s.Title,
-			Description: s.Description,
+			Title: s.Title,
 		},
 		Cdn: &youtube.CdnSettings{
 			FrameRate:     s.FrameRate,
@@ -115,6 +114,9 @@ func (s *LiveStream) Insert(writer io.Writer) error {
 			Resolution:    s.Resolution,
 		},
 	}
+	if s.Description != nil {
+		stream.Snippet.Description = *s.Description
+	}
 
 	call := s.Service.LiveStreams.Insert(s.Parts, stream)
 	if s.OnBehalfOfContentOwner != "" {
@@ -166,8 +168,8 @@ func (s *LiveStream) Update(writer io.Writer) error {
 	if s.Title != "" {
 		stream.Snippet.Title = s.Title
 	}
-	if s.Description != "" {
-		stream.Snippet.Description = s.Description
+	if s.Description != nil {
+		stream.Snippet.Description = *s.Description
 	}
 	if s.FrameRate != "" {
 		stream.Cdn.FrameRate = s.FrameRate
@@ -227,7 +229,7 @@ func WithTitle(title string) Option {
 	}
 }
 
-func WithDescription(description string) Option {
+func WithDescription(description *string) Option {
 	return func(s *LiveStream) {
 		s.Description = description
 	}
diff --git a/pkg/liveStream/liveStream_test.go b/pkg/liveStream/liveStream_test.go
index 8271cc1..71ce959 100644
--- a/pkg/liveStream/liveStream_test.go
+++ b/pkg/liveStream/liveStream_test.go
@@ -35,7 +35,7 @@ func TestNewLiveStream(t *testing.T) {
 				opts: []Option{
 					WithIds([]string{"stream1", "stream2"}),
 					WithTitle("Test Stream"),
-					WithDescription("A test stream"),
+					WithDescription(new("A test stream")),
 					WithMine(&mine),
 					WithFrameRate("60fps"),
 					WithIngestionType("rtmp"),
@@ -56,7 +56,7 @@ func TestNewLiveStream(t *testing.T) {
 				Ids:                           []string{"stream1", "stream2"},
 				OnBehalfOfContentOwner:        "owner123",
 				Title:                         "Test Stream",
-				Description:                   "A test stream",
+				Description:                   new("A test stream"),
 				Mine:                          &mine,
 				FrameRate:                     "60fps",
 				IngestionType:                 "rtmp",
@@ -98,7 +98,7 @@ func TestNewLiveStream(t *testing.T) {
 			args: args{
 				opts: []Option{
 					WithTitle(""),
-					WithDescription(""),
+					WithDescription(new("")),
 					WithFrameRate(""),
 					WithIngestionType(""),
 					WithResolution(""),
@@ -107,7 +107,7 @@ func TestNewLiveStream(t *testing.T) {
 			want: &LiveStream{
 				Fields:        common.Fields{},
 				Title:         "",
-				Description:   "",
+				Description:   new(""),
 				FrameRate:     "",
 				IngestionType: "",
 				Resolution:    "",
@@ -301,7 +301,7 @@ func TestLiveStream_Insert(t *testing.T) {
 			name: "insert live stream",
 			opts: []Option{
 				WithTitle("New Stream"),
-				WithDescription("A new live stream"),
+				WithDescription(new("A new live stream")),
 				WithFrameRate("60fps"),
 				WithIngestionType("rtmp"),
 				WithResolution("1080p"),
@@ -394,7 +394,7 @@ func TestLiveStream_Update(t *testing.T) {
 			opts: []Option{
 				WithIds([]string{"stream-1"}),
 				WithTitle("Updated Stream"),
-				WithDescription("Updated description"),
+				WithDescription(new("Updated description")),
 				WithMaxResults(1),
 			},
 			wantErr: false,
diff --git a/pkg/playlist/playlist.go b/pkg/playlist/playlist.go
index 9f6d10c..bab2038 100644
--- a/pkg/playlist/playlist.go
+++ b/pkg/playlist/playlist.go
@@ -23,10 +23,10 @@ var (
 type Playlist struct {
 	common.Fields
 	Title       string   `yaml:"title" json:"title,omitempty"`
-	Description string   `yaml:"description" json:"description,omitempty"`
+	Description *string  `yaml:"description" json:"description,omitzero"`
 	Mine        *bool    `yaml:"mine" json:"mine,omitzero"`
 	Tags        []string `yaml:"tags" json:"tags,omitempty"`
-	Language    string   `yaml:"language" json:"language,omitempty"`
+	Language    *string  `yaml:"language" json:"language,omitzero"`
 	Privacy     string   `yaml:"privacy" json:"privacy,omitempty"`
 
 	OnBehalfOfContentOwnerChannel string `yaml:"on_behalf_of_content_owner_channel" json:"on_behalf_of_content_owner_channel,omitempty"`
@@ -110,16 +110,20 @@ func (p *Playlist) Insert(writer io.Writer) error {
 	}
 	upload := &youtube.Playlist{
 		Snippet: &youtube.PlaylistSnippet{
-			Title:           p.Title,
-			Description:     p.Description,
-			Tags:            p.Tags,
-			DefaultLanguage: p.Language,
-			ChannelId:       p.ChannelId,
+			Title:     p.Title,
+			Tags:      p.Tags,
+			ChannelId: p.ChannelId,
 		},
 		Status: &youtube.PlaylistStatus{
 			PrivacyStatus: p.Privacy,
 		},
 	}
+	if p.Description != nil {
+		upload.Snippet.Description = *p.Description
+	}
+	if p.Language != nil {
+		upload.Snippet.DefaultLanguage = *p.Language
+	}
 
 	call := p.Service.Playlists.Insert([]string{"snippet", "status"}, upload)
 	if p.OnBehalfOfContentOwner != "" {
@@ -153,14 +157,14 @@ func (p *Playlist) Update(writer io.Writer) error {
 	if p.Title != "" {
 		playlist.Snippet.Title = p.Title
 	}
-	if p.Description != "" {
-		playlist.Snippet.Description = p.Description
+	if p.Description != nil {
+		playlist.Snippet.Description = *p.Description
 	}
 	if p.Tags != nil {
 		playlist.Snippet.Tags = p.Tags
 	}
-	if p.Language != "" {
-		playlist.Snippet.DefaultLanguage = p.Language
+	if p.Language != nil {
+		playlist.Snippet.DefaultLanguage = *p.Language
 	}
 	if p.Privacy != "" {
 		playlist.Status.PrivacyStatus = p.Privacy
@@ -204,7 +208,7 @@ func WithTitle(title string) Option {
 	}
 }
 
-func WithDescription(description string) Option {
+func WithDescription(description *string) Option {
 	return func(p *Playlist) {
 		p.Description = description
 	}
@@ -216,7 +220,7 @@ func WithTags(tags []string) Option {
 	}
 }
 
-func WithLanguage(language string) Option {
+func WithLanguage(language *string) Option {
 	return func(p *Playlist) {
 		p.Language = language
 	}
diff --git a/pkg/playlist/playlist_test.go b/pkg/playlist/playlist_test.go
index f23e529..88694db 100644
--- a/pkg/playlist/playlist_test.go
+++ b/pkg/playlist/playlist_test.go
@@ -37,9 +37,9 @@ func TestNewPlaylist(t *testing.T) {
 				opts: []Option{
 					WithIds([]string{"playlist1", "playlist2"}),
 					WithTitle("Test Playlist"),
-					WithDescription("Test playlist description"),
+					WithDescription(new("Test playlist description")),
 					WithTags([]string{"tag1", "tag2", "tag3"}),
-					WithLanguage("en"),
+					WithLanguage(new("en")),
 					WithChannelId("channel123"),
 					WithPrivacy("public"),
 					WithHl("en"),
@@ -62,9 +62,9 @@ func TestNewPlaylist(t *testing.T) {
 				ChannelId:                     "channel123",
 				OnBehalfOfContentOwner:        "owner123",
 				Title:                         "Test Playlist",
-				Description:                   "Test playlist description",
+				Description:                   new("Test playlist description"),
 				Tags:                          []string{"tag1", "tag2", "tag3"},
-				Language:                      "en",
+				Language:                      new("en"),
 				Privacy:                       "public",
 				Mine:                          &mineTrue,
 				OnBehalfOfContentOwnerChannel: "ownerChannel123",
@@ -125,8 +125,8 @@ func TestNewPlaylist(t *testing.T) {
 			args: args{
 				opts: []Option{
 					WithTitle(""),
-					WithDescription(""),
-					WithLanguage(""),
+					WithDescription(new("")),
+					WithLanguage(new("")),
 					WithChannelId(""),
 					WithPrivacy(""),
 					WithHl(""),
@@ -137,8 +137,8 @@ func TestNewPlaylist(t *testing.T) {
 			want: &Playlist{
 				Fields:                        common.Fields{},
 				Title:                         "",
-				Description:                   "",
-				Language:                      "",
+				Description:                   new(""),
+				Language:                      new(""),
 				Privacy:                       "",
 				OnBehalfOfContentOwnerChannel: "",
 			},
@@ -148,7 +148,7 @@ func TestNewPlaylist(t *testing.T) {
 			args: args{
 				opts: []Option{
 					WithTitle("My Playlist"),
-					WithDescription("A great playlist"),
+					WithDescription(new("A great playlist")),
 					WithPrivacy("private"),
 					WithMaxResults(25),
 				},
@@ -156,7 +156,7 @@ func TestNewPlaylist(t *testing.T) {
 			want: &Playlist{
 				MaxResults:  25,
 				Title:       "My Playlist",
-				Description: "A great playlist",
+				Description: new("A great playlist"),
 				Privacy:     "private",
 			},
 		},
@@ -364,7 +364,7 @@ func TestPlaylist_Insert(t *testing.T) {
 			name: "insert playlist",
 			opts: []Option{
 				WithTitle("New Playlist"),
-				WithDescription("Description"),
+				WithDescription(new("Description")),
 				WithPrivacy("public"),
 			},
 			verify: func(r *http.Request) {
@@ -436,9 +436,9 @@ func TestPlaylist_Update(t *testing.T) {
 			opts: []Option{
 				WithIds([]string{"playlist-id"}),
 				WithTitle("Updated Title"),
-				WithDescription("Updated Description"),
+				WithDescription(new("Updated Description")),
 				WithTags([]string{"tag1", "tag2"}),
-				WithLanguage("en"),
+				WithLanguage(new("en")),
 				WithPrivacy("private"),
 				WithOnBehalfOfContentOwner("owner-id"),
 				WithMaxResults(1),
diff --git a/pkg/playlistItem/playlistItem.go b/pkg/playlistItem/playlistItem.go
index 1e7dad8..3034d39 100644
--- a/pkg/playlistItem/playlistItem.go
+++ b/pkg/playlistItem/playlistItem.go
@@ -22,15 +22,15 @@ var (
 
 type PlaylistItem struct {
 	common.Fields
-	Title       string `yaml:"title" json:"title,omitempty"`
-	Description string `yaml:"description" json:"description,omitempty"`
-	Kind        string `yaml:"kind" json:"kind,omitempty"`
-	KVideoId    string `yaml:"k_video_id" json:"k_video_id,omitempty"`
-	KChannelId  string `yaml:"k_channel_id" json:"k_channel_id,omitempty"`
-	KPlaylistId string `yaml:"k_playlist_id" json:"k_playlist_id,omitempty"`
-	VideoId     string `yaml:"video_id" json:"video_id,omitempty"`
-	PlaylistId  string `yaml:"playlist_id" json:"playlist_id,omitempty"`
-	Privacy     string `yaml:"privacy" json:"privacy,omitempty"`
+	Title       string  `yaml:"title" json:"title,omitempty"`
+	Description *string `yaml:"description" json:"description,omitzero"`
+	Kind        string  `yaml:"kind" json:"kind,omitempty"`
+	KVideoId    string  `yaml:"k_video_id" json:"k_video_id,omitempty"`
+	KChannelId  string  `yaml:"k_channel_id" json:"k_channel_id,omitempty"`
+	KPlaylistId string  `yaml:"k_playlist_id" json:"k_playlist_id,omitempty"`
+	VideoId     string  `yaml:"video_id" json:"video_id,omitempty"`
+	PlaylistId  string  `yaml:"playlist_id" json:"playlist_id,omitempty"`
+	Privacy     string  `yaml:"privacy" json:"privacy,omitempty"`
 }
 
 type IPlaylistItem[T any] interface {
@@ -135,16 +135,18 @@ func (pi *PlaylistItem) Insert(writer io.Writer) error {
 
 	playlistItem := &youtube.PlaylistItem{
 		Snippet: &youtube.PlaylistItemSnippet{
-			Title:       pi.Title,
-			Description: pi.Description,
-			ResourceId:  resourceId,
-			PlaylistId:  pi.PlaylistId,
-			ChannelId:   pi.ChannelId,
+			Title:      pi.Title,
+			ResourceId: resourceId,
+			PlaylistId: pi.PlaylistId,
+			ChannelId:  pi.ChannelId,
 		},
 		Status: &youtube.PlaylistItemStatus{
 			PrivacyStatus: pi.Privacy,
 		},
 	}
+	if pi.Description != nil {
+		playlistItem.Snippet.Description = *pi.Description
+	}
 
 	call := pi.Service.PlaylistItems.Insert(
 		[]string{"snippet", "status"}, playlistItem,
@@ -182,8 +184,8 @@ func (pi *PlaylistItem) Update(writer io.Writer) error {
 	if pi.Title != "" {
 		playlistItem.Snippet.Title = pi.Title
 	}
-	if pi.Description != "" {
-		playlistItem.Snippet.Description = pi.Description
+	if pi.Description != nil {
+		playlistItem.Snippet.Description = *pi.Description
 	}
 	if pi.Privacy != "" {
 		playlistItem.Status.PrivacyStatus = pi.Privacy
@@ -233,7 +235,7 @@ func WithTitle(title string) Option {
 	}
 }
 
-func WithDescription(description string) Option {
+func WithDescription(description *string) Option {
 	return func(p *PlaylistItem) {
 		p.Description = description
 	}
diff --git a/pkg/playlistItem/playlistItem_test.go b/pkg/playlistItem/playlistItem_test.go
index 2a10ab5..066c57b 100644
--- a/pkg/playlistItem/playlistItem_test.go
+++ b/pkg/playlistItem/playlistItem_test.go
@@ -34,7 +34,7 @@ func TestNewPlaylistItem(t *testing.T) {
 				opts: []Option{
 					WithIds([]string{"item1", "item2"}),
 					WithTitle("Test Item"),
-					WithDescription("Test item description"),
+					WithDescription(new("Test item description")),
 					WithKind("video"),
 					WithKVideoId("video123"),
 					WithKChannelId("channel123"),
@@ -59,7 +59,7 @@ func TestNewPlaylistItem(t *testing.T) {
 				ChannelId:              "channel456",
 				OnBehalfOfContentOwner: "owner123",
 				Title:                  "Test Item",
-				Description:            "Test item description",
+				Description:            new("Test item description"),
 				Kind:                   "video",
 				KVideoId:               "video123",
 				KChannelId:             "channel123",
@@ -103,7 +103,7 @@ func TestNewPlaylistItem(t *testing.T) {
 			args: args{
 				opts: []Option{
 					WithTitle(""),
-					WithDescription(""),
+					WithDescription(new("")),
 					WithKind(""),
 					WithKVideoId(""),
 					WithKChannelId(""),
@@ -121,7 +121,7 @@ func TestNewPlaylistItem(t *testing.T) {
 				ChannelId:              "",
 				OnBehalfOfContentOwner: "",
 				Title:                  "",
-				Description:            "",
+				Description:            new(""),
 				Kind:                   "",
 				KVideoId:               "",
 				KChannelId:             "",
@@ -489,7 +489,7 @@ func TestPlaylistItem_Update(t *testing.T) {
 			name: "update playlist item description and privacy",
 			opts: []Option{
 				WithIds([]string{"item-id"}),
-				WithDescription("Updated Description"),
+				WithDescription(new("Updated Description")),
 				WithPrivacy("private"),
 				WithMaxResults(1),
 			},
diff --git a/pkg/video/video.go b/pkg/video/video.go
index 72644f5..a589df5 100644
--- a/pkg/video/video.go
+++ b/pkg/video/video.go
@@ -265,7 +265,7 @@ func (v *Video) Insert(writer io.Writer) error {
 	if v.PlaylistId != "" {
 		pi := playlistItem.NewPlaylistItem(
 			playlistItem.WithTitle(res.Snippet.Title),
-			playlistItem.WithDescription(res.Snippet.Description),
+			playlistItem.WithDescription(&res.Snippet.Description),
 			playlistItem.WithKind("video"),
 			playlistItem.WithKVideoId(res.Id),
 			playlistItem.WithPlaylistId(v.PlaylistId),
@@ -399,7 +399,7 @@ func (v *Video) Update(writer io.Writer) error {
 	if v.PlaylistId != "" {
 		pi := playlistItem.NewPlaylistItem(
 			playlistItem.WithTitle(res.Snippet.Title),
-			playlistItem.WithDescription(res.Snippet.Description),
+			playlistItem.WithDescription(&res.Snippet.Description),
 			playlistItem.WithKind("video"),
 			playlistItem.WithKVideoId(res.Id),
 			playlistItem.WithPlaylistId(v.PlaylistId),