---
title: xpc_session_incoming_message_handler_t
framework: xpc
role: symbol
role_heading: Type Alias
path: xpc/xpc_session_incoming_message_handler_t-elj
---

# xpc_session_incoming_message_handler_t

## Declaration

```swift
typealias xpc_session_incoming_message_handler_t = (xpc_object_t) -> Void
```

## See Also

### Managing life cycle

- [xpc_session_activate(_:_:)](xpc/xpc_session_activate(_:_:).md)
- [xpc_session_cancel(_:)](xpc/xpc_session_cancel(_:).md)
- [xpc_session_set_cancel_handler(_:_:)](xpc/xpc_session_set_cancel_handler(_:_:).md)
- [xpc_session_set_incoming_message_handler(_:_:)](xpc/xpc_session_set_incoming_message_handler(_:_:).md)
- [xpc_session_cancel_handler_t](xpc/xpc_session_cancel_handler_t-65b6f.md)