Creates a customer access token using a
[multipass token](https://shopify.dev/api/multipass) instead of email and
password. A customer record is created if the customer doesn't exist. If a customer
record already exists but the record is disabled, then the customer record is enabled.
Access Scopes
`unauthenticated_write_customers` access scope.
Arguments
multipassToken:
String! -
A valid [multipass token](https://shopify.dev/api/multipass) to be authenticated.
Returns
customerAccessToken:
CustomerAccessToken
An access token object associated with the customer.
customerUserErrors:
CustomerUserError!
The list of errors that occurred from executing the mutation.