Allows to make the given Af-Arch user belong to the given Af-Arch Group.
INVOCATION METHOD: This function allows to perform an synchronous remote invocation. for the service "af_kernel::af_user::af_group_add".
This function is a synchronous version for afdal_af_kernel_af_user_af_group_add function.
|af_user_id ||User unique identifier to be added to the given Af-Arch group. |
|af_group_id ||Group unique identifier where the given user will be added. |