You set the configuration properties at the operator level and each property is associated with a default value.

If you have provided new values to the properties through the SAP Data Hub Modeler user interface, the main engine sends the value to the subengine when you execute the graph. To set an operator configuration property along with its default value, use the v2_operator_config_add_<type> set of functions.

Using the v2_process_t handle, which is first obtained in the init handler of that operator, you can query the actual values for each property by calling the v2_process_config_get_<type> functions.

If the defined value for a property does not correspond to its declared value, the engine throws an error for the type mismatch. The only exception is for double configurations that can receive an integer value by implicitly converting it to double .