How does one set the action that takes place when the S3 is inserted into a desk dock?

[meyerweb#CB]

I'm aware of the setting in Accessories that you check to tell it to turn on desktop mode, but can you determine what that actually does?

 

[Soundtrack to Chaos]

Too lazy and sick to check, but I'm pretty sure Tasker should be able to help

My name is Soundtrack to Chaos, and I have a fetish for external chargers, big batteries, power outlets and extension cords and surge protectors... I need help