This graphic shows the invoke window. Four tabs appear at the top: General, Correlations, Sensors, and Adapters. Below this is the Name field, with a value of Greet. Below this is the Partner Link field and the Operation field, both with values of Hello. Below this is the Input Variable field, with a value of Greet_Hello_InputVariable. Below this is the Output Variable field, with a value of Greet_Hello_OutputVariable.