The Functions integration allows for scripts to be discoverable through autocomplete while authoring scripts. Functions can be "disabled" by disabling the containing module.

1. Begin by adding a script library called "Functions" to a module. This can be created by the new module wizard.

2. Add a script to the "Functions" script library with a name that represents the purpose.

3. Use the command Import-Function to discover the available functions.

Note: It's best practice to create function scripts that follow the Verb-Noun pattern as outlined by Microsoft.

Here's a short video on authoring custom functions.

​Click for a demo​