Creates a reading of billing statement.
| Parameter name | Description | Possible value | Required | 
|---|---|---|---|
| billingStatementID | ID of billing statement. | integer | yes | 
| reading | Meter reading. | number | yes | 
| date | If omitted, date of request will be used. | ISO date (yyyy-mm-dd) | 
| Field name | Type | Description | 
|---|---|---|
| billingStatementID | integer | ID of billing statement. | 
| readingID | integer | ID of the newly-created item. |