I'm working through the steps in Creating V1 Platform Activities.
When or how does a platform activity appear in Journey Builder?
Does it need to satisfy all the requirements listed in the Common Issue Checklist before it will appear? If it doesn't meet one of the requirements, is there a way to figure out what it is failing on?
In the App Center my platform activity appears as:
It has the category of Messaging. I was expecting it to appear under Messages in the Journey Builder Activities.
I'm using Journey Builder in the Salesforce Marketing Cloud account that I linked to in the Connect Your app to an account step.