Allows to change relation between the given group and permission using value_to_set.
INVOCATION METHOD: This function allows to perform an synchronous remote invocation. for the service "af_kernel::af_group::permission_set".
This function is a synchronous version for afdal_af_kernel_af_group_permission_set function.
|af_group_id ||The group to modify its relation with the given permission. |
|permission_id ||The permission to modify its relation with the given group. |
|value_to_set ||Value to be used to set current relation between the given permission and group. |