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Optional Field for Processing Debit and Prepaid Authorizations {#payments-debit-prepaid-auth-optional}
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You can use this optional field to include additional information when processing debit and prepaid authorizations.

[processingInformation.linkId](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/processing-info-aa/processing-info-link-id.md "")
:
Set this field to the request ID that was returned in the response message from the original authorization request.

Related Information {#payments-debit-prepaid-auth-optional_section_ahn_sxz_sxb}
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* [API field reference guide for the REST API](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/rest-api-fields-intro.md "")
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