Adw.MessageDialog.set_heading

### Method

# Adw MessageDialogset_heading

since: 1.2

#### Declaration [src]

    void
    adw_message_dialog_set_heading (
      AdwMessageDialog* self,
      const char* heading
    )

#### Description [src]

Sets the heading of `self`.

Available since: 1.2

Sets property | `Adw.MessageDialog:heading`

#### Parameters

`heading`

  Type: `const char*`

  The heading of `self`.

  The argument can be `NULL`.
  The data is owned by the caller of the method.
  The value is a NUL terminated UTF-8 string.