The idiom is 'on the same page.' You can 'be' or 'get' on the | Idioms and phrases

The idiom is "on the same page." You can "be" or "get" on the same page as someone else.

"We need to get on the same page."

"I don't think Dan and I are on the same page anymore."

"I just want to make sure we're on the same page."

More idioms
https://t.me/idioms_phrase