To obtain an OAuthClientId, OAuthClientSecret, CallbackURL, and you first need to create an app linked to your Oracle Eloqua account.

Create and Configure a Custom OAuth App

You can follow the procedure below to obtain the client credentials, the client Id (app Id) and client secret:

1. Log in to Oracle Eloqua.
2. Click Settings -> AppCloud Developer (under Platform Extensions) -> Create New App.
3. Enter a name, icon, and description for the app to be displayed to users when they connect to Oracle Eloqua. The OAuthClientId and OAuthClientSecret will be displayed.

When you connect the add-in opens the OAuth endpoint in your default browser. Log in and grant permissions to the application.