Determines the name of the EcoSys Requisition Line Items resource that transfers Requisition Line Items from Smart Materials to EcoSys.
Sample format: {EcoSys API name}/?{EcoSys parameter}={ZI_E_PROJ}
Example: RequisitionLineItems/?RootCostObject={ZI_E_PROJ}
The project default value is appended to ZI_E_SURL value to form a valid EcoSys API.