<mapping>
    <name>PERS User Assignment Mapping</name>
    <strength>strong</strength>
    <expression>
        <script>
            <code>
                import com.evolveum.midpoint.xml.ns._public.common.common_3.AssignmentType;
                import com.evolveum.midpoint.xml.ns._public.common.common_3.ObjectReferenceType;
                import com.evolveum.midpoint.xml.ns._public.common.common_3.RoleType;
                import com.evolveum.midpoint.xml.ns._public.common.common_3.OrgType;
                import java.util.*;

                <!-- Get role -->
                role = midpoint.searchObjectByName(RoleType.class, "role_account_pers");

                if(role != null)
                    {
                    roleOrt = new ObjectReferenceType();
                    roleOrt.setOid(role.getOid());
                    roleOrt.setType(RoleType.COMPLEX_TYPE);

                    <!-- build assignment -->
                    AssignmentType assignment = new AssignmentType();
                    assignment.asPrismContainerValue()
                    assignment.setTargetRef(roleOrt);

                    return assignment
                }
            </code>
        </script>
    </expression>
    <target>
    <path>assignment</path>
    </target>
</mapping>