تعريف ومعنى "one's wish is one's command"

What is the origin of the idiom "one's wish is one's command" and when to use it?

The idiom "one's wish is one's command" originates from a common theme found in various cultures and literature, signifying that those with the power to fulfill wishes do so obediently and promptly. It reflects a recurring theme of granting wishes as a form of service or obedience in folklore and legends. This expression is now often used to convey eagerness and obedience in fulfilling another's wishes or requests.