> For the complete documentation index, see [llms.txt](https://docs.trustlesswork.com/trustless-work/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.trustlesswork.com/trustless-work/v1-es/escrow-react-sdk/escrows/usereleasefunds.md).

# useReleaseFunds

## Uso

Este hook personalizado expone una función para liberar los fondos de un escrow.

{% code overflow="wrap" %}

```typescript
import { useReleaseFunds } from "@trustless-work/escrow/hooks";
import { SingleReleaseReleaseFundsPayload, MultiReleaseReleaseFundsPayload } from "@trustless-work/escrow/types";

/*
 *  useReleaseFunds
*/
const { releaseFunds } = useReleaseFunds();

/* 
 * Devuelve una transacción sin firmar
 * el payload debe ser de tipo `MultiReleaseReleaseFundsPayload` o `SingleReleaseReleaseFundsPayload`
*/
const { unsignedTransaction } = await releaseFunds(payload);

```

{% endcode %}

### Función de Mutación

`releaseFunds`

Responsable de construir y devolver una transacción sin firmar basada en el payload proporcionado.

**EscrowType**: Especifica el tipo de escrow. Acepta los siguientes valores:

* **multi-release**: Permite múltiples liberaciones de fondos.
* **single-release**: Los fondos se liberan en una sola transacción.

**SingleReleaseReleaseFundsPayload:** Un objeto con los campos necesarios para liberar un **single-release** escrow.

**MultiReleaseReleaseFundsPayload:** Un objeto con los campos necesarios para liberar un **multi-release** escrow por un hito específico.

**Parámetros**:

Asegúrate de que coincidan: si eliges el tipo "multi-release", también debes usar un payload de "multi-release".

* **tipo**: Describe el tipo de escrow que se va a usar. Las opciones son "multi-release" o "single-release".
* **payload**: Un objeto que contiene los campos requeridos para liberar un escrow o un hito.

{% content-ref url="/pages/ebcaff442460b5bab0049bb67c938c852a363922" %}
[Liberar fondos](/trustless-work/v1-es/introduccion/developer-resources/tipos/cargas-utiles/liberar-fondos.md)
{% endcontent-ref %}

*Valor de retorno:*

`unsignedTransaction`: Un objeto que representa la transacción construida, lista para ser firmada por tu wallet y transmitida.

***

## Ejemplo de uso

{% code title="src/hooks/useReleaseFundsForm.ts" overflow="wrap" %}

```typescript
import {
  useReleaseFunds,
  useSendTransaction,
} from "@trustless-work/escrow/hooks";
import {
  SingleReleaseReleaseFundsPayload, MultiReleaseReleaseFundsPayload
} from "@trustless-work/escrow/types";

export const useReleaseFundsForm = () => {

 /*
  *  useReleaseFunds
 */
 const { releaseFunds } = useReleaseFunds();
 
 /*
  *  useSendTransaction
 */
 const { sendTransaction } = useSendTransaction();

/*
 * función onSubmit, esto podría ser llamado por el botón del formulario
*/
 const onSubmit = async (payload: MultiReleaseReleaseFundsPayload | SingleReleaseReleaseFundsPayload) => {

    try {
      /**
       * Llamada a la API usando los hooks de trustless work
       * @Nota:
       * - Necesitamos pasar el payload a la función releaseFunds
       * - El resultado será una transacción sin firmar
       */
      const { unsignedTransaction } = await releaseFunds(
        payload,
        "multi-release"
        // o ...
        // "single-release"
      );

      if (!unsignedTransaction) {
        throw new Error(
          "La transacción sin firmar falta en useReleaseFunds."
        );
      }

      /**
       * @Nota:
       * - Necesitamos firmar la transacción usando tu [clave privada] como la wallet
       * - El resultado será una transacción firmada
       */
      const signedXdr = await signTransaction({ /* Este método debe ser proporcionado por la wallet */
        unsignedTransaction,
        address: walletAddress || "",
      });

      if (!signedXdr) {
        throw new Error("La transacción firmada falta.");
      }

      /**
       * @Nota:
       * - Necesitamos enviar la transacción firmada a la API
       * - Los datos serán un SendTransactionResponse
       */
      const data = await sendTransaction(signedXdr);

      /**
       * @Respuestas:
       * data.status === "SUCCESS"
       * - Escrow liberado con éxito
       * - Mostrar un toast de éxito
       *
       * data.status == "ERROR"
       * - Mostrar un toast de error
       */
      if (data.status === "SUCCESS") {
         toast.success("El escrow ha sido liberado");
      }
    } catch (error: unknown) {
      // lógica para capturar errores
    }
  };
}

```

{% endcode %}


---

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