The party encounters a war band of orcs. There is one huge one who is obviously the leader, 8 smaller orcs, and a few kobold slaves.
During combat, the party's healer—standing towards the back of the group— casts a healing spell on one of his damaged allies. Immediately after doing this, the orc leader stops, looks at the healer and bellows in rage.
The orc and kobold lackeys—attracted by this gutteral scream of anger—turn to look at their boss. The leader points directly at the healer and screams once again.
The soldiers turn to look at the healer that their boss is pointing at and, with their own war cries, immediately charge the healer.
This sequence is very simply done by using the tagging system in the IAUS. Behaviors can be specified to:
Specifically in this case, the following things are happening: