Journal
It is tempting to connect every inbox and every destination on the first day. Teams that do usually spend the first week untangling templates.
Pick the input you retype most
Choose the input that costs the most typing today. For finance teams that is usually supplier invoices; for operations, service emails; for people teams, start forms.
Send ten samples
Ten real samples are enough to set up a template. Avelin proposes the values to read; you rename, add or remove them.
Add the next one when the first is quiet
When the review queue for the first input is down to a handful of values a day, add the second. Each new input reuses the rules and outputs you already have.