1. Select a document folder or click Create New Folder from the Documents page.
2. Click New Document.
3. Provide document name.
4. Upload your image.
5. Select Externally Available Image on the document detail page.This field indicates that the image is available for HTML email templates, such as a logo in a letterhead. It also indicates that the image doesn’t require a Salesforce username and password to view in an email. However, Salesforce CPQ does require a username and password for viewing the image as a custom app logo or custom tab icon.
6. Copy the document ID which is the string of numbers at the end of the document record’s URL.
7. Return to your quote template and enter the document ID in the Logo Document ID field.
8. Click on Save.