At somebody’s behest
Definition 1 of 1
Pro Tip 1/3Authority or Power
The phrase implies action taken due to someone's influence or direction, often from a position of authority. 
The committee was formed at the CEO's behest to improve company policy.
Pro Tip 2/3Implies Obligation
Using 'at somebody’s behest' suggests a sense of duty or obligation to follow the request or order. 
The documentary was filmed at the mayor’s behest to showcase the city's progress.
Pro Tip 3/3Not Coercive
The phrase does not necessarily mean the action was forced, but rather requested or commanded. 
The guards increased patrols at the captain’s behest, ensuring security.