GUsb.Source.set_callback

### Method

# GUsb Sourceset_callback

#### Declaration

    void
    g_usb_source_set_callback (
      GUsbSource* self,
      GSourceFunc func,
      gpointer data,
      GDestroyNotify notify
    )

#### Description

This function does nothing.

Available since: | 0.1.0

#### Parameters

`func` | `GSourceFunc`
| A function to call.
`data` | `gpointer`
| Data to pass to `func`.
| The argument can be `NULL`.
| The data is owned by the caller of the function.
`notify` | `GDestroyNotify`
| A `GDestroyNotify`.