Usage: servergroupaddclient sgid={groupID} cldbid={clientDBID}
       servergroupaddclient [-continueonerror] sgid={groupID} cldbid={clientDBID}|cldbid={clientDBID}

Permissions:
  i_group_member_add_power
  i_group_needed_member_add_power

Description:
  Adds one or more clients to the server group specified with `sgid`. Please note that a
  client cannot be added to default groups or template groups.

Parameters:
  -continueonerror : continue processing on errors
  sgid : integer : id of server group
  cldbid : integer : id of client in database

Example:
  servergroupaddclient sgid=16 cldbid=3
  error id=0 msg=ok