# validateClusterLock

> **validateClusterLock**(`lock`, `safeRpcUrl?`): `Promise`<`boolean`>

Defined in: [services.ts:14](https://github.com/ObolNetwork/obol-sdk/blob/5137bd5c4ded55a50234f19135ea3a5bfeab4d47/src/services.ts#L14)

Verifies Cluster Lock's validity.

## Parameters

| Parameter     | Type                                                                | Description                                      |
| ------------- | ------------------------------------------------------------------- | ------------------------------------------------ |
| `lock`        | [`ClusterLock`](https://docs.obol.org/sdk/type-aliases/clusterlock) | cluster lock                                     |
| `safeRpcUrl?` | `string`                                                            | optional safeRpcUrl for safe wallet verification |

## Returns

`Promise`<`boolean`>

boolean result to indicate if lock is valid

## Throws

on missing keys or values.

An example of how to use validateClusterLock: [validateClusterLock](https://github.com/ObolNetwork/obol-sdk-examples/blob/main/TS-Example/index.ts#L127)