Disable Ext id Box in Mapping Tool #
In the previous version, to set an External Id for mapping, you needed to check the ‘Ext Id’ box. However, in outbound and V3 Inbound mapping, this box has been disabled. Instead, you should define the External Key using the ‘Define External Key’ button. This button is available in the Data Mapping section and also appears in the ‘List’ button on the Interface Detail Page.