Developing SOA Applications with Oracle SOA Suite Sharing Functionality Across Service Components Using Oracle SOA Composer with Domain Value Maps Editing Domain Value Maps at Runtime How to Edit Domain Value Maps at Runtime Changing to Edit Mode Changing to Edit Mode To change to edit mode: Open the domain value map for viewing, as described in How To View Domain Value Maps at Runtime. Click Create Session in the top right section of the SOA Composer window. If you have a previously active session, you must click Edit Session. The domain value map opens in edit mode.