Parameter to Control Email To Field

[db-matt]

I recently modified a VizAlerts view to use a Tableau parameter to control whether the Email To field would be based on another parameter or from the data source. It is for a VizAlerts that is sent ad hoc so it is not on a schedule and is sent using the "test_alert" feature. If the new parameter is set to "TEST Mode", then a calculated field in Tableau displays the email address(es) from the VizAlerts Email To parameter. If the new parameter is set to "PROD Mode', then a calculated field in Tableau displays the email address(es) from the data source (a live flat file extract). I was NOT able to get this functionality to work corrected. It seemed VizAlerts would only send to the email addresses in the data source, presumably because the new parameter's "Value when workbook opens" is set to the "Current Value", which is "PROD Mode". I'm assuming I'm doing something wrong with my new parameter, but otherwise, I would like to see how else I could accomplish this with VizAlerts. My workaround is to parameterize my data source to switch the email addresses there, but it shouldn't require the entire data set to be re-run in my opinion.