# SDK Event Handlers

- [Set Pre-Invocation Handler](/references/sdk-event-handlers/set-pre-invocation-handler.md)
- [Set Pre-Sending Handler](/references/sdk-event-handlers/set-pre-sending-handler.md)
- [Set Did-Dismiss Handler](/references/sdk-event-handlers/set-post-invocation-handler.md)
- [Set Received-Reply Handler](/references/sdk-event-handlers/set-on-new-message-handler.md)
- [Set Will-Show-Survey Handler](/references/sdk-event-handlers/set-will-show-survey-handler.md)
- [Set Dismissed-Survey Handler](/references/sdk-event-handlers/set-dismissed-survey-handler.md)