Combined Parameters of Linked Models

I have several models linked into a site model and some are copied. I have changed the Identity Name of the model to be the plot number. I wanted this plot number in my schedule. The only way I can schedule this is using a ‘RVT Links’ Schedule.

I was initially going to use schedules side by side on a sheet. However I have no way of sorting the foundation schedule to suit the RVT Links one. I cannot put in an instance parameter as the parameter remains read only.

Is there a way I can combine parameters and create a new one in Dynamo?