- Filter and group your Schedule so that it shows the elements you want on a particular row
- Select that Row and pick Highlight in Model
- After the elements are highlighed, you can start the "IDs of Selection" command. This will provide a text box with a list of every single element ID that was selected. You can then copy (Ctrl+C) and paste this into your desired application, like Excel or even a text file for consumption in Dynamo.
- Optional: Save the selection using typical Revit "Save Selection" option
What if you have a list of line separated element IDs, like one per Excel row? You can use Dynamo to parse these to Elements, and even create a saved Selection Set too (thanks to Clockwork), like this: