Find customers in the eCommerce system, using the provided CEQL search expression. If no search expression is provided, all records will be retrieved

The CEQL search expression, or the where clause, without the WHERE keyword, in a typical SQL query (i.e. field='value'). <p>Supported search terms: customer_id and customer_email. All other search criteria are ignored. NOTE: When searching by customer_id, do not quote the value (ex: customer_id=15693430), as the ID is a number rather than a string. When searching by email, quote the value (ex: customer_email='a@b.c'), as the email parameter is a string

The number of results to fetch in a given page. When this parameter is omitted, a maximum of 200 results are returned

The next page cursor, taken from the response header: elements-next-page-token

The fields to return on the response. Can be a single field or a comma-separated list of fields

The authorization tokens. The format for the header value is 'Element <token>, User <user secret>'