productInformation. selectedProducts. payments. payerAuthentication. configurationInformation. configurations. cardTypes. amexSafeKey. currencies. requestorId {#prod-info-sel-prod-pay-payerauth-conf-info-conf-card-types-amex-currencies.requestor-id}
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This field is the requestor ID value assigned by a 3-D Secure directory server. It is used with 3-D Secure 2.0. When this field is passed in the request, it overrides the requestor ID value that is configured on the merchant's profile.

Syntax {#prod-info-sel-prod-pay-payerauth-conf-info-conf-card-types-amex-currencies.requestor-id_Syntax}
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```
{
"productInformation": {
  "selectedProducts": {
    "payments": {
      "payerAuthentication": {
        "configurationInformation": {
          "configurations": {
            "cardTypes": {
              "amexSafeKey": {
                  "currencies": {
                    "requestorId": "01234567891111
                  {
                {
              }
            }
          }
        }
      }
    }
  }
}
```

* **\<currency\>**: The currency that is supported by the merchant.

The value of this field must conform to this regular expression:

```
^[a-zA-Z0-9]{6,20}$
```

{#prod-info-sel-prod-pay-payerauth-conf-info-conf-card-types-amex-currencies.requestor-id_codeblock_iq3_nq5_2yb}

Specifications {#prod-info-sel-prod-pay-payerauth-conf-info-conf-card-types-amex-currencies.requestor-id_Specifications}
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* **Data Type:** String
* **Maximum Data Length:** 35
  {#prod-info-sel-prod-pay-payerauth-conf-info-conf-card-types-amex-currencies.requestor-id_ul_j2z_js4_cyb}

Mapping Information {#prod-info-sel-prod-pay-payerauth-conf-info-conf-card-types-amex-currencies.requestor-id_Mapping}
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**Boarding Registration Service API Field:** productInformation.selectedProducts.payments.payerAuthentication. configurationInformation.configurations.cardTypes.amexSafeKey.currencies.requestorId  
**Product Enablement and Configuration Service API Field:** payments.payerAuthentication.configurationInformation.configurations. cardTypes.amexSafeKey.currencies.requestorId