Learn PowerShell Toolmaking in a Month of Lunches

Chapter 26. Creating proxy functions

A proxy function acts as a wrapper around an existing function, cmdlet, or other command. In its simplest form, a proxy function passes all parameter input through to the wrapped command. Proxy functions are commonly used to add parameters, remove parameters, or otherwise expand or restrict the underlying command, becoming a useful tool for delegated administration. For example, you might provide users with a proxy function that removes a command parameter that you don’t want the user to have access to. When loaded, a proxy function somewhat hides the real, wrapped command. Combined with techniques like constrained remoting endpoints (which we cover in the next chapter), proxy functions can completely hide ...