Unique identifier of the template. Can be retrieved from the List Templates endpoint.

Title of the video.

Unique identifier of the folder where the video is stored. Can be retrieved from the List Folders endpoint if folder already exists, or from the response of the Create Folder endpoint after creating a new folder.

Unique identifier of the Brand Glossary. It is used to apply predefined translation and pronunciation rules such as translation exclusions, enforced terms, vocabulary mappings, and tone preferences. Can be retrieved from List Brand Voices endpoint.

URL to notify when video rendering is complete, useful when your callback endpoint is dynamic and each video requires a separate callback. Using a webhook endpoint is still the recommended approach, as it provides more customization options such as secrets, event filtering, and more. If both webhook and callback_url are used, events will be sent to both endpoints.