There is nothing on your side to build.
Anyone who has been through one reads the word integration and sees the same thing: a budget line, somebody from IT taken off what they were doing, and a date that moves twice. That expectation is reasonable, and it is worth saying plainly that it is not what happens here.
What happens is one conversation about which of your records this belongs in and what it is allowed to carry. After that conversation nobody on your side does anything for it again.