| Index: components/payments/payment_request.mojom
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| diff --git a/components/payments/payment_request.mojom b/components/payments/payment_request.mojom
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| index dc9ab3374af80aed7ef648580855df5aa42f40e3..de147d67d55df32bf67458a1315819842452d1bd 100644
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| --- a/components/payments/payment_request.mojom
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| +++ b/components/payments/payment_request.mojom
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| @@ -43,6 +43,12 @@ struct PaymentCurrencyAmount {
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|    // ISO 20022 CurrencyAnd30Amount. Up to 30 total digits. Up to 10 fraction
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|    // digits. Separated by a dot.
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|    string value;
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| +
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| +  // currencySystem is a URL that indicates the currency system that the
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| +  // currency identifier belongs to. By default, the value is
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| +  // urn:iso:std:iso:4217 indicating that currency is defined by [ISO4217]
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| +  // (for example, USD for US Dollars).
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| +  string? currencySystem;
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|  };
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|  
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|  struct PaymentResponse {
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| 
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