—> Learn how and when contacts are created in charles

There are three ways that a contact is created in charles (+ is displayed in your contacts table):
- They text you first
- They leave their number in charles sign-up form
- They have their number stored in your connected shop system (and you choose to create contacts for them)
User texts you first (using a WA.ME link):

- User is created in charles when: user writes WhatsApp number
- Opt-in upon creation: implicit single opt-in through actively reaching out (no opt-in status in charles by default)
- Double opt-in: opt-in status given though flows you built
- Additional info:
- All orders will synch if uses has previously entered their number in a order from your shop
User fills in charles sign-up form:

- User is created in charles when: user fills in sign-up form
- Opt-in: by default through sign up form
- Double opt-in: in first order confirmation (through flows you built)
- Additional info:
- All orders will automatically synch