list of names of variables to be included in CreateProcessInstanceWithResultResponse.variables.
If empty, all visible variables in the root scope will be returned.
timeout in milliseconds. the request will be closed if the process is not completed before the requestTimeout.
if requestTimeout = 0, uses the generic requestTimeout configured in the gateway.
list of names of variables to be included in
CreateProcessInstanceWithResultResponse.variables. If empty, all visible variables in the root scope will be returned.