# New webhook and new callback fields.

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## Added

-   New **webhook** event:
    -   `team_chat.app_mention`
-   New `callback_url`, `event_ts`, and `callback_token` fields in these **webhook** webhook events:
    -   `interactive_message_fields_editable`
    -   `interactive_message_actions`
    -   `interactive_message_editable`