Integration with HERE Engine using OAuth - where to specify External System?

Summary:

Online help describes in detail how to configure HERE, but not clear how to specify the External System for OAuth 2.0 authentication.

Content (please ensure you mask any confidential information):

Per Online Help: (https://docs.oracle.com/en/cloud/saas/transportation/24c/otmol/configuration/how_to_set_up_here.htm)

• HERE: This integration supports all the services that have the output format as XML. This integration supports V6 and V7 HERE routing services. It also supports V6 Geocoding, custom routes, custom locations, and matrix routing services. The authentication for HERE is defined by a property glog.ExternalDistanceEngine.HERE.authenticationType and the possible values are AppIdAppCode, ApiKey, and OAuth. If the option selected is "HERE" (version 7), enter an