# ProcessTransactionRequest

> A schema in the One API reference. Source: https://hub.ozow.com/api-reference/one-api/schemas/process-transaction-request/

## Fields

- `paymentStep` (string, required) - The payment step being processed.
- `callbackUrl` (string, uri, required) - The URI to callback once the step has been completed. The callback URI will receive a `POST` request with a `InputResponse` model indicating what step is required next.
- `inputFields` (array of InputFieldRequest, required) - The input fields.