Create an app in Service Cloud for Marketing Cloud Engagement.
- In Service Cloud, navigate to Setup.
- Click Create.
- Click Apps.
- Click New.
- Enter Marketing Cloud for the app label and name to create the app.
- Add a logo if desired.
- Customize tabs and add Marketing Cloud, Email Sends, and Send Analytics.
- Assign these tabs to the applicable profiles, making the new custom app visible in the Salesforce AppExchange menu.
- Save the changes.