custom.FIELD_ID (optional)
custom.FIELD_ID in POST /opportunity/ above.{ "custom.FIELD_ID": null }, e.g.:If you’re trying to update a custom field and that custom field accepts multiple values, you can also specify .add or .remove as part of the field key to add/remove a single value to/from a list of values, e.g.:
Bearer authentication of the form Bearer <token>, where token is your auth token.
If not set on the resource or in the request, date_won will be set automatically to today’s date when setting status_id to a status with type won. The x-tz-offset header, used to pass your timezone’s UTC offset, will be taken into account.
Setting the status_id to a status with a type of won will automatically set the date_won field if it is not already set or provided in the request. Reverting it from a won status to an active or lost will not automatically change date_won.