Your goal is for the webapp to create JIRA issues. I imagine the processing in here is that your users are using a browser to do things in your webapp, and at some point, they do something that leads to "hey, raise an issue" (I'm assuming you want that automated, not just taking them to a JIRA page outside the webapp)
You have two options here:
I have multiple projects that use variations of the same base workflow. The variations depend on the requirements of the project or issue type. The variations mostly come in the form of new statuses ...
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