---
title: "Pybytes library API"
aliases:
  - pybytes/api/set_custom_message_callback
---

**Send custom message callback**
----
  Send custom location.

**Method**
----
**pybytes.set_custom_message_callback(callback)**

**Parameters**
----
| name  | Description   | is Required    | Default value
| ------------- |:-------------:|:-------------:|:-------------:|
| callback   | function | Yes   | -  |

**Example**
----
`pybytes.set_custom_message_callback(true)`

**Success Response**
TBD