# Set Parameter
source: https://developer.mastercard.com/mastercard-processing-core/documentation/sandbox-testing/classifiers-and-parameters-management/set-parameter/index.md

## Test case -- Success {#test-case--success}

This test case describes setting parameter for a specified contract (account contract or card contract) stored in the CMS. Refer to [Parameters](https://developer.mastercard.com/mastercard-processing-core/documentation/guides/card-management-system/index.md#parameters) for more information about parameters.

For this test case, use the following information in the request:

|  Path parameter  | Available value |
|------------------|-----------------|
| `parameter_code` | MTP_CALC_RULE   |
|                  | ATM_CALC_RULE   |

**Sample request**

`PUT /contracts/70001/parameters/MTP_CALC_RULE`

```JSON
{
 "parameterValue" : "45"
}
```

**Sample response**

`204`