Rename Master Spreads with Script

[KenWK]

I have a bunch of books in production for a series and I want to rename the master spreads in a bunch of files, but I can't see how to do it.

I know I can simply change the NamePrefix but when I try to change "Name" an error occurs, which makes sense given the object model shows that to be read only.

is there really no way to rename a master through a script?

Thank you,
Ken

[rob day · Accepted solution]

baseName should work

app.activeDocument.masterSpreads[0].baseName="myspread"

[KenWK]

Well, THAT'S embarrassing! Obviously I looked through the master spreads DOM with head firmly planted in posterior.

Thanks for helping to extract!
Ken