I am working on updating a current feature of an app I only recently started working with. Right now, to link a "Project" to another Entity in the tool, the user is able to search for such Project using an autocomplete control. The autocomplete list is currently sourced from a report definition. I need to update the autocomplete control to filter out those Projects which are already linked and only show those that are not. I tried making a new data page as the list source and used the current report defintion as the source and using a reponse data transform but I am running into errors as this is something I have never configured. What is the best possible way to go about this?

***Edited by Moderator Marissa to update platform capability tags****