# Webhooks

Notify Fin when conversations change

 - [POST /custom_helpdesk_conversation_event/{integration_id}](https://developers.intercom.com/docs/guides/fin-custom-helpdesk/api-posts-only/webhooks/customhelpdeskconversationevent.md): This endpoint handles two distinct use cases depending on whether an `event_type` is provided: ## 1. Conversation Synchronization (default behavior) When you **omit the `event_type` field**, Fin will