# Function: signInvite()

```ts
function signInvite(
   spaceId, 
   did, 
   invite, 
   provider
): Promise<string>;
```

Defined in: [packages/core/src/space/space-access.ts:140](https://github.com/leifriksheim/minca/blob/main/core/src/space/space-access.ts#L140)

An invite key's signature, letting `did` join `spaceId` — what a member record carries when it joins by invite

## Parameters

| Parameter | Type |
| ------ | ------ |
| `spaceId` | `string` |
| `did` | `string` |
| `invite` | [`SpaceKeyPair`](https://minca.dev/api/core/interfaces/SpaceKeyPair.md) |
| `provider` | [`CryptoProvider`](https://minca.dev/api/core/interfaces/CryptoProvider.md) |

## Returns

`Promise`\<`string`\>