Script Download:
The script is available for download from https://gallery.technet.microsoft.com/scriptcenter/How-to-list-the-foreign-dd76873a.
You can also use Microsoft Script Browser for Windows PowerShell ISE to download the sample with one button click from within your scripting environment.
This T-SQL script will demonstrate how to list the foreign keys and the primary keys the foreign keys reference to.
You can find more All-In-One Script Framework script samples at http://aka.ms/onescriptingallery