When the feature is selected (clicked upon), it will search for the same document in another site, document library and retrieve a copy of the same document and replace the original document.
See details in attachment.
Please use the updated PDF document as there is some mistake in the Word doc.
5 freelancers are bidding on average $232 for this job
13 Years of professional experience. Microsoft SharePoint 2010/2013 certified developer. Please check my profile and previous work at this URL [login to view URL]