Open a browser (Chrome, IE, Safari, etc) and browse to https://xenapp.lafilm.com
if prompted, click "Detect Receiver"
If prompted, check the box to "Always open these types of links in the associated app" and click "Open Citrix Receiver Launcher"
Type your email address and domain password in the corresponding fields
Click the APPS icon at the top
Click the "Details" button next the app you want and select "Add To Favorites"
Click Open to start the app
Future visits to https://xenapp.lafim.com will not require many of these steps and you will only need to login and "Open" the app