Follow these steps to create the interface file:
- From the menu, select File > New > Other.
The New window opens.
- In the navigation tree, click Business Integration > Interface.

- Click Next.
- From the Module list, click eMergedModule.
- In the Folder field, type com.emerged.portal.
- In the Name field, type PortalInterface.

The Namespace field is set to http://eMergedModule/com/emerged/portal/PortalInterface.
- Click Finish.
The editor opens for PortalInterface.