Often when sharing app or product data with another form you want to filter the results available to the end users in the lookup - now you can!  

Now within the advanced Data Lookup (List) and Data Lookup (Multiselect) gadgets for Kuali data sets you'll have an Advanced Settings option. The Advanced Settings allows you to put additional lookup filtering to limit lookup values based on certain criteria from the available data (i.e. Workflow status, Multiple choice, Date picker, etc.).  For example, in the below example I'm setting the data lookup filter to only return documents in the app that have a Workflow Status of 'Complete':

Also, if versioning is enabled you'll have additional filtering options based on versions - more information can be found in the Document Versions article.