I'm updating a custom workflow action to add a new text parameter. I've updated the .actions4 XML with a new FieldBind element mapped to a new Parameter element. I've cleaned and rebuilt the project in VS. But the new parameter is not showing up as available in the .xaml workflow designer file.

What do I need to do to make the new parameter available in the workflow designer file?

1 Answer 1


Ugh, kind of an embarrassing facepalm situation, but I forgot to add the new parameter as an Argument for the workflow action.

screenshot of arguments button

Don't know why I thought it would add it automatically... ¯\(ツ)

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