An Update is an Act 2 companion quest for Varric in Dragon Age II.
Acquisition[]
It is automatically unlocked after you complete one of the first main plot quests, either Blackpowder Courtesy or Prime Suspect, in Act 2.
Walkthrough[]
Go to The Hanged Man and talk with Varric. Doing so will unlock his companion quest for Family Matter.
Result[]
Selecting "You can tell me anything" option and agree to help find Bartrand will give you 
Varric: friendship (+20), not helping to find Bartrand does nothing to your status.
Selecting "Let's go get some drinks" option and then agree to help find Bartrand will give you Varric: friendship (+25), not helping to find Bartrand nets you only Varric: friendship (+5).
Selecting "Get to the point" option and then agree to help find Bartrand does nothing to your status, not helping to find Bartrand will give you 
Varric: rivalry (+20).