Microsoft Exchange 2010 PowerShell Cookbook

Creating PowerShell functions

Functions are used to combine a series of commands into a reusable block of code that can be called using a single command. Functions can make a configuration change or return one or more objects that can either be displayed in the console or exported to an external file. You can assign the output of functions to a variable, or pipe a function to another cmdlet. In this recipe, you'll learn how to create a PowerShell function.

How to do it...

To create a function, you need to use the function keyword, followed by the name of the function, and then the function code enclosed within curly braces {}. For example, this very basic function displays three properties of a mailbox in list format:

function Get-MailboxList { ...