Custom Action App Launch Url

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Occasional Contributor

Hi,

 

We have a custom action in the ribbon of the pages library view. The action calls a url of the App, we are using the following method javascript:LaunchApp(...). As of today we get the following message. Is this due to an update of Microsoft?

 

Kind Regards

 

 

Vandeput

CustomActionAppLaunch.png

2 Replies
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Are you in classic mode or in the new document library UI?
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Hi,

 

I'm in classic ui.

 

Kind Regards

 

 

Vandeput