how to make a field of shakiness Is there a way to make a 3d space of shakiness( or any kind of effect), that if an object passed by it or stay in it can be affected and when the object goes away of it that effect ends?

Thanks, guys :)
The Wiggle Falloff node can be used to introduced the wiggling. The output falloff can then be multiplied with a Point Distance Falloff or an Object Controller Falloff to limit the wiggling to a certain field only: