update_contact
Edit a saved contact's name and/or E.164 phone number atomically.
Confirm the existing contact and proposed change with the user first. A name conflict refuses instead of overwriting another person. Return values mask the number; do not repeat a full number in chat.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| new_name | Yes | ||
| old_name | Yes | ||
| phone_number | Yes | ||
| user_confirmed | Yes |