You can use this method to determine source of supply.
You must supply the method with either a material or a material group plus a plant and the delivery date.
If you wish to limit the output, you can also pass on data such as the following:
a purchasing organization
You will then get the sources from which this purchasing organization can procure.a vendor
You will then get the sources for this vendor.a unit of measure
You will then get the sources with this unit of measure.
Messages are returned in the parameter return. The parameterdocumentation shows the return codes and their meanings.