# isSynapseError

```ts
function isSynapseError(value): value is SynapseError;
```

Defined in: [packages/synapse-core/src/errors/base.ts:12](https://github.com/FilOzone/synapse-sdk/blob/1d6c4b9fe34534bf1087dfe41491b72be0b46858/packages/synapse-core/src/errors/base.ts#L12)

Check if a value is a SynapseError

## Parameters

| Parameter | Type |
| ------ | ------ |
| `value` | `unknown` |

## Returns

`value is SynapseError`