AfDalSimpleData* afdal_af_kernel_af_user_permission_num_elements_sync gint  permission_id  ) 

Allows to get how many users have already set the given permission defined by permission_id.

INVOCATION METHOD: This function allows to perform an synchronous remote invocation. for the service "af_kernel::af_user::permission_num_elements".

This function is a synchronous version for afdal_af_kernel_af_user_permission_num_elements function.

permission_id The permission to check how many users the have it set.