Assign Custom developed method into WorkFlow task

Question

Hello ladies and gentlemen,
I've been asked to create a new Workflow to handle certain leave requirements.  The standard workflows only go so far in resolving the clients requirements.  I have created a new Object class and created a method that will help determine the follow on approvers, but when I go to add the method to a newly created task, I get the message 'Interface Implementation IF_WORKFLOW does not exist'.
I'm assuming this is telling me I haven't defined my object in a workflow library somewhere, but I don't where or how to do so.
Could someone please explain what this message means, and how to get around it?
Regards,
Steve

Answer 1

It's ok - solved it myself.  For future reference, you need to include the interface 'IF_WORKFLOW'.  This will bring in WF specific methods to make the Methods visible to the workflow system.
You need to manually activate each imported method, otherwise you will still get the same error.
Regards,
Steve