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

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
   error id=0 msg=ok