paymentInformation. customer.id {#payment-info-customer-id}
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The unique identifier for the `Token Management Service` (`TMS`) customer token.

BIN Lookup Service
:
When you send multiple fields in the `paymentInformation[]` and `tokenInformation[]` objects, BIN Lookup processes fields in the `paymentInformation[]` object first, and then it processes fields in the `tokenInformation[]` object.

Specifications {#payment-info-customer-id_Specifications}
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* **Data Type:** String
* **Data Length:** 1---32

Mapping Information {#payment-info-customer-id_Mapping}
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No corresponding fields.