Adw.AlertDialog.set_heading

### Method

# Adw AlertDialogset_heading

#### Declaration [src]

    void
    adw_alert_dialog_set_heading (
      AdwAlertDialog* self,
      const char* heading
    )

#### Description [src]

Sets the heading of `self`.

Available since: | 1.5

Sets property | `Adw.AlertDialog:heading`

#### Parameters

`heading` | `const char*`
| The heading of `self`.
| The argument can be `NULL`.
| The data is owned by the caller of the function.
| The value is a NUL terminated UTF-8 string.