Updatable process values accessible via REST

Content

I have a process which I bind to an oracle jettable in VBCS. The underline BPMN process is / application is never accessed in the PCS workspace and the only interaction is through REST calls in VBCS. On the table I want the table to show two columns if payload data (not process metadata). In the process I have created a business object of taskExecutionData ice. On the message start event (the only way to start the process) I associate the execData.processInfo.title attribute to one of my payload values (and employee name). I do this because the process rest service