productInformation. selectedProducts. payments. cardProcessing. configurationInformation. configurations. common. masterCardAssignedId {#prod-info-sel-prod-pay-card-proc-conf-comm-mastercard-assigned-id}
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The identifier that is assigned by Mastercard. This field is the equivalent of merchant verification value (MVV) that is assigned by Visa.  
This field is available for these processors: `FDC Nashville Global`, `GPX`, and `Visa Platform Connect`.

Syntax {#prod-info-sel-prod-pay-card-proc-conf-comm-mastercard-assigned-id_Syntax}
----------------------------------------------------------------------------------

```
 {
  "productInformation": {
    "selectedProducts": {
      "payments": {
        "cardProcessing": {
          "configurationInformation": {
            "configurations": {
              "common": {
                "masterCardAssignedId": "000"
              }
            }
          }
        }
      }
    }
  }
}
```

Specifications {#prod-info-sel-prod-pay-card-proc-conf-comm-mastercard-assigned-id_Specifications}
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* **Data Type:** String
  {#prod-info-sel-prod-pay-card-proc-conf-comm-mastercard-assigned-id_ul_yhr_1s2_2yb}

Mapping Information {#prod-info-sel-prod-pay-card-proc-conf-comm-mastercard-assigned-id_Mapping}
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**Boarding Registration Service API Field:** productInformation.selectedProducts.payments.cardPresentConnect.configurationInformation. configurations.common.masterCardAssignedId  
**Product Enablement and Configuration Service API Field:** payments.cardPresentConnect.configurationInformation.configurations.common.masterCardAssignedId