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    FM Go: URL scheme, additional query parameter from Square Register


      I'm integrating my POS solution with the Square Register app. Square Register API allows you to use an iOS URL scheme to initiate a credit card charge and then return to your app via it's own custom defined callback URL scheme. When that callback URL is executed, it adds a query parameter "data", which I cannot change.


      FM Go only accepts "param" or "${variable}", right? Anyone have any insight on how I can retrieve the necessary data from Square Register contained in the "data" query parameter?


      The callback URL I'm using now is "fmp://$/" &  Get ( FileName ) & "?script=square_response&param=". The script is called, but has no parameter data...

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