> For the complete documentation index, see [llms.txt](https://painor.gitbook.io/gramjs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://painor.gitbook.io/gramjs/working-with-contacts-and-top-peers/contacts.block.md).

# contacts.block

Adds the user to the blacklist.

## Example

{% tabs %}
{% tab title="Javascript" %}

```javascript
const {Api, TelegramClient} = require('telegram');
const {StringSession} = require('telegram/sessions');

const session = new StringSession('');
const client = new TelegramClient(session, apiId, apiHash, {});

(async function run() {
    const result = await client.invoke(new Api.contacts.block({
        id: new Api.InputPeer({...}),
        }));
    console.log(result); // prints the result
})();
```

{% endtab %}

{% tab title="TypeScript" %}

```typescript
import {Api, TelegramClient} from 'telegram';
import {StringSession} from 'telegram/sessions';

const session = new StringSession('');
const client = new TelegramClient(session, apiId, apiHash, {});

(async function run() {
    const result: Api.Bool = await client.invoke(new Api.contacts.block({
        id: new Api.InputPeer({...}),
        }));
    console.log(result); // prints the result
})();
```

{% endtab %}
{% endtabs %}

## TL schema

```
boolFalse#bc799737 = Bool;
boolTrue#997275b5 = Bool;
---functions---
contacts.block#68cc1411 id:InputPeer = Bool;
```

## Parameters

|  Name  | Type                                                  | Description |
| :----: | ----------------------------------------------------- | ----------- |
| **id** | [InputPeer](https://core.telegram.org/type/InputPeer) | User ID     |

## Result

[Bool](https://core.telegram.org/type/Bool)

## Possible errors

| Code | Type                     | Description                        |
| :--: | ------------------------ | ---------------------------------- |
|  400 | CONTACT\_ID\_INVALID     | The provided contact ID is invalid |
|  400 | INPUT\_USER\_DEACTIVATED | The specified user was deleted     |
|  400 | MSG\_ID\_INVALID         | Invalid message ID provided        |
|  400 | PEER\_ID\_INVALID        | The provided peer id is invalid    |

## Can bots use this methd ?

### yes

## Related pages