Usage: channelgroupaddperm cgid={groupID} [permid={permID}...]
       [permsid={permName}...] permvalue={permValue}...

Permissions:
  i_group_modify_power
  i_group_needed_modify_power
  i_permission_modify_power

Description:
  Adds a set of specified permissions to a channel group. Multiple permissions
  can be added by providing the two parameters of each permission. A permission
  can be specified by permid or permsid.

Example:
  channelgroupaddperm cgid=13 permid=17276 permvalue=50|permid=21415 permvalue=20
  error id=0 msg=ok