New referenceValue parameter Create Payment edpt

docs/release-notes/new-referencevalue-parameter-create-payment-endpoint.md

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+---
+slug: "new-referencevalue-parameter-create-payment-endpoint"
+title: "New referenceValue parameter in the Create Payment endpoint request body"
+createdAt: 2023-10-24T00:00:00.000Z
+hidden: false
+type: "added"
+excerpt: "New parameter available in the Create Payment endpoint request body."
+---
+The `referenceValue` parameter was added to the Create Payment endpoint. This new field is mandatory and must be sent on the endpoint to represent the payment amount without interest applied. The values ​​of the `value` and `referenceValue` fields will be equal whenever the value of the `installmentsInterestRate` field is equal to zero. See the examples below:
+
+- **Case 1**: Order value is 15.00 (interest free):
+
+  - `value`: 15.00
+  - `referenceValue`: 15.00
+  - `installments`: 1
+  - `installmentsInterestRate`: 0.00
+
+- **Case 2**: Order value is 15.00 (with interest of 1.00 per month, 3 installments):
+
+  - `value`: 15.00
+  - `referenceValue`: 12.00
+  - `installments`: 3
+  - `installmentsInterestRate`: 1.00