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Add two fields to workflow "Form" action to simply provide the functionality of taking payments via Workflows.
There are scenarios in which taking a payment via workflow is not only helpful, but makes sense! For example, application fees for Leadership Colleges/Internships, etc. In the past, we have had to use other "Form" options, like Wufoo, to create forms with this functionality -- but we lose all the power of Rock's workflows when going this route. Using other tools instead of Rock creates a significant limitation on our digital strategies. (Because Rock is amazing!!)
If I was dreaming, this feature would also provide the ability to waive the fee via "discount code" -- but at a bare minimum, allowing payments alone would be a great step in the right direction. While this functionality is technically available via Registrations, using that module in lieu of a workflow could create limitations on the processes we wish to build out.
I would suggest additional Form Fields "Allow Fee Waiving?" (Checkbox) and "Enabled Codes" (comma-separated values) as a way to work discount codes into this feature to keep it simple, but you could go a lot further with this (i.e., modeling Registration discount code functionality).
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