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Ryan GardnerRyan Gardner 

Login Flow Salesforce pre-defined variables don't seem to be working

Salesforce provides a list of pre-defined Login Flow Variables:
LoginFlow_UserAgent, etc.

As defined in the documentation here:

And here:

My understanding is if you create these variables the information is automatically populated by Salesforce as long as you follow the exact naming convention.

I believe I have done that:

User-added image

I include that on an output screen, but nothing shows up
(Output Screen Setup)
User-added image

(Output Result)
User-added image

Which leads me to believe this variable is blank and something else must be done to set this variable? Or that this is a bug? Or the documentation is incomplete? Does anyone have any success using these pre-defined variables?