The WorkflowInput operator is used inside nested workflows to route input arguments from the outside. The type of the input sequence and its behavior is dependent on the exact operator in which they are nested. Each WorkflowInput is uniquely numbered starting from Source1.

Warning

The numbering of the WorkfklowInput nodes usually reflects the order of arguments in the outer operator, but this is not always required. In fact, how many input arguments are available in the nested workflow is entirely dependent on the nesting operator.