Executing script from Dar file that has uploaded to canton

Questions
1

I have written script for a contract .Dar file which having those contracts and scripts part. How can script can be called for a contract creation in Canton where we upload our Dar file and it should also read user script that different login user like Alice, bob

2

Hello,

Did you already work through the examples of using daml-script given in the documentation?

https://docs.daml.com/app-dev/bindings-java/quickstart.html#run-the-application-using-prototyping-tools

https://docs.daml.com/daml-script/