Update Family to multiple Models witout open the models

Hey everyone,
I’m dynamo user, beginer…
we have project that we need to update titleblock for all models in the project
I ask to create Dynamo to do it with out open all the models (90 models)
Do any of you know? Tried doing something like this before?
I would love suggestions and tips to do that

Thank You ALl Best!
Zamir