WebCentre Content - Edit Meta Data in List

We have a requirement to allow users to tick/un-tick one or many WebCenter Content documents - for selection/inclusion into a master zip file, which will form a contract.  The tick should be saved as Meta Data and used at a later date to create a zip file for the documents to be included in the contract.  I know it is possible to tick a number of documents and then perform an operation - i.e. Delete; is it possible to have an option to save the tick and store as Meta Data as a similar option ("Include In Contract"). Alternatively, is