### Function Macro

# GObject signal_connect_after

since: 2.0

#### Declaration

    #define g_signal_connect_after (
      instance,
      detailed_signal,
      c_handler,
      data
    )

#### Description

Connects a `GCallback` function to a signal for a particular object.

The handler will be called synchronously, after the default handler of the signal.

This function cannot fail. If the given signal doesn’t exist, a critical warning is emitted.

Available since: 2.0

This function is not directly available to language bindings.

#### Parameters

`instance`

  Type: `-`

  The instance to connect to.

`detailed_signal`

  Type: `-`

  A string of the form “signal-name::detail”.

`c_handler`

  Type: `-`

  The `GCallback` to connect.

`data`

  Type: `-`

  Data to pass to `c_handler` calls.