| PUT | /collectionattempts/{id}/customerreferencenumber/ | Updates a Customer Reference Number. | 
|---|
| Name | Parameter | Data Type | Required | Description | 
|---|---|---|---|---|
| Id | path | Guid | Yes | The Collection Attempt Id. | 
| CustomerReferenceNumber | body | string | Yes | The Customer Reference Number. | 
To override the Content-type in your clients, use the HTTP Accept Header, append the .csv suffix or ?format=csv
The following are sample HTTP requests and responses. The placeholders shown need to be replaced with actual values.
PUT /collectionattempts/{id}/customerreferencenumber/ HTTP/1.1 
Host: api.paylock.com 
Accept: text/csv
Content-Type: text/csv
Content-Length: length
{"id":"00000000000000000000000000000000","customerReferenceNumber":"String"}
HTTP/1.1 200 OK Content-Type: text/csv Content-Length: length false