Forum Discussion
SharePoint hosted add in authentication within site collection
We have a SharePoint hosted add in which is running in our site collection e.g.(contoso.sharepoint.com/teams/sitecol). Within the add in there are some content pages with inserted images (<img src="...
HI Damien I would reach out to the 3rd party app for their advice on this. Many 3rd party apps send you to their SharePoint Online environment which then "reads" into your environment which is likely the cause of the issue.. the user is technically no longer in your environment while using the app so the image source is not recognized.
I'm not sure what the add-in does, but if you need help or another solution, my company specializes in these types of things. Hope this helps!
https://www.eswcompany.com/sharepoint-consulting-2/