> ## Documentation Index
> Fetch the complete documentation index at: https://developer.z-api.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Mention group

> Mention groups related to a community

## Overview

This method is responsible for mentioning groups related to a community. The system restricts mentions to groups within the same community structure.

***

## Attributes

### Header

<ParamField path="instanceId" type="string" required>
  Your instance ID. Available in the Z-API panel under **Instances**.
</ParamField>

<ParamField path="token" type="string" required>
  Your Z-API instance token.
</ParamField>

### Required

<ParamField body="phone" type="string" required>
  Group ID where the mention will be sent
</ParamField>

<ParamField body="message" type="string" required>
  Text to be sent (must contain @ with the group ID)
</ParamField>

<ParamField body="groupMentioned" type="array" required>
  Array with the data of groups to be mentioned

  <Expandable title="Properties">
    <ParamField body="phone" type="string" required>
      ID of the group being mentioned
    </ParamField>

    <ParamField body="subject" type="string" required>
      Group name
    </ParamField>
  </Expandable>
</ParamField>

### Optional

<ParamField body="delayMessage" type="number">
  Delay added to the message. You can choose between a range of 1 to 15 sec. The default delay if not provided is 1 to 3 sec
</ParamField>

***

## Request Body

```json theme={"theme":{"light":"github-light","dark":"poimandres"}}
{
  "phone": "5511999999999-group",
  "message": "Welcome to *Z-API group* @1203634230225498-group",
  "groupMentioned": [
    {
      "phone": "1203634230225498-group",
      "subject": "Z-API subgroup"
    }
  ]
}
```

***

## Response

### 200

```json theme={"theme":{"light":"github-light","dark":"poimandres"}}
{
  "zaapId": "3999984263738042930CD6ECDE9VDWSA",
  "messageId": "D241XXXX732339502B68",
  "id": "D241XXXX732339502B68"
}
```

### 405

Make sure you are correctly sending the method specification, that is, verify that you sent POST or GET as specified at the beginning of this topic.

### 415

If you receive a 415 error, make sure to add the "Content-Type" header to your request, which in most cases is "application/json".