Developing SOA Applications with Oracle SOA Suite Getting Started with Oracle SOA Suite Getting Started with Developing SOA Composite Applications Adding Service Binding Components How to Define the Interface (WSDL) for a Web Service Defining a New WSDL Using a Schema Defining a New WSDL Using a Schema Define a new WSDL using an existing schema or define a new schema. To the right of the WSDL URL field, click the Find existing WSDLs (first) icon. At the top, click File System. Select an existing WSDL file from the local file system (for this example, OrderProcessor.wsdl is selected). Figure 2-8 provides details. Figure 2-8 WSDL File SelectionDescription of "Figure 2-8 WSDL File Selection"