# Working with orm.xml file

You can work with the `orm.xml` by using the JPA Details view.

Use this procedure to work with the `orm.xml` file:

1. Right-click the `orm.xml` file in the Package Explorer and select Open.

2. In the JPA Structure view, select EntityMappings.

3. Use the JPA Details view to configure the entity mapping and persistence unit defaults.

   JPA Details view for EntityMappings (orm.xml)

Working with orm.xml file
Working with XML Files

The orm.xml file