Updating a field in Datatype as Array

There a CDT with number of fields, I'm trying to update one field X as Array. In this case when I try to publish my Datastore it creates a separate table with random table naming and fields to store multiple values of field X.

Is there a way we can give our own naming for that table being created in the above case. I have tried downloading the DDL script and try editing table name and field, But that doesn't seems working.

Can anyone give me an insight why it's taking the random table name or is there any workaround in the above case ?

Thanks in Advance