GioActionGrouphas_action

gboolean
has_action (
  GActionGroup* action_group,
  const gchar* action_name
)

Checks if the named action exists within action_group.

Available since:

2.28

`action_name`	`const gchar*`
	The name of the action to check for.
	The data is owned by the caller of the function.
	The value is a NUL terminated UTF-8 string.

Returns:	`gboolean`
	Whether the named action exists.