gboolean afdal_af_kernel_permission_af_group_num_elements gint  af_group_id,
AfDalSimpleFunc  usr_function,
gpointer  usr_data

Allows to get how many permission have set the given group.

INVOCATION METHOD: This function allows to perform a asynchronous remote invocation for the service "af_kernel::permission::af_group_num_elements".

af_group_id The group to get how many permission it have.
usr_function An Asynchronous handler where the AfDalSimpleData value will be received.
usr_data User defined data to be passed in to the process function defined by usr_function.
TRUE if asynchronous request was sent to remote server (af_kernel). FALSE if there was an error while making remote service invocation.