This is the same as Action.groupActivateAction except that it
allows for provision of "platform data" to be sent along with the
activation request. This typically contains details such as the user
interaction timestamp or startup notification information.
platform_data must be non-NULL and must have the type
G_VARIANT_TYPE_VARDICT. If it is floating, it will be consumed.
Activates the remote action.
This is the same as Action.groupActivateAction except that it allows for provision of "platform data" to be sent along with the activation request. This typically contains details such as the user interaction timestamp or startup notification information.
platform_data must be non-NULL and must have the type G_VARIANT_TYPE_VARDICT. If it is floating, it will be consumed.