Symptoms
Running into issue with 'Invalid serial number' when trying to configure the Smartforms client event.
Diagnoses
The customer was looking for documentation on the Smartform Integration and how it works with K2Workflows.
Resolution
Provided the following links regarding the use of Item Reference in SmartForms integrated workflow.
How to use the Item References feature in Workflow Integration
http://help.k2.com/kb001367
K2 smartforms builder ( At the end of the page, Course Modules – 200. YUL K2 smartforms (Intermediate), Labs 9 using K2 smartforms in K2Studio)
http://help.k2.com/displaycontent.aspx?id=4714