diff --git a/args/tiktok.go b/args/tiktok.go
index dd68e6f..cfe60fc 100644
--- a/args/tiktok.go
+++ b/args/tiktok.go
@@ -75,6 +75,11 @@ func (t *TikTokTranscriptionArguments) HasLanguagePreference() bool {
 	return t.Language != ""
 }
 
+// GetVideoURL returns the source video URL
+func (t *TikTokTranscriptionArguments) GetVideoURL() string {
+	return t.VideoURL
+}
+
 // GetLanguageCode returns the language code, defaulting to "en-us" if not specified
 func (t *TikTokTranscriptionArguments) GetLanguageCode() string {
 	if t.Language == "" {
diff --git a/args/unmarshaller.go b/args/unmarshaller.go
index e7adf95..353bf8f 100644
--- a/args/unmarshaller.go
+++ b/args/unmarshaller.go
@@ -39,6 +39,7 @@ type TikTokJobArguments interface {
 	JobArguments
 	ValidateForJobType(jobType types.JobType) error
 	HasLanguagePreference() bool
+	GetVideoURL() string
 	GetLanguageCode() string
 }
 
@@ -159,12 +160,9 @@ func (t *TelemetryJobArguments) GetCapability() types.Capability {
 }
 
 // Type assertion helpers
-func AsWebArguments(args JobArguments) (WebJobArguments, bool) {
+func AsWebArguments(args JobArguments) (*WebSearchArguments, bool) {
 	webArgs, ok := args.(*WebSearchArguments)
-	if !ok {
-		return nil, false
-	}
-	return webArgs, true
+	return webArgs, ok
 }
 
 func AsTwitterArguments(args JobArguments) (TwitterJobArguments, bool) {