# Creates a static custom group with explicit member resources

Creates a static custom group (`groupCategory=1`) where members are explicitly specified via resource IDs. Required: `groupName`, `groupType`, `groupCategory`, `resourceIds`. Group name must be unique and max 100 characters. Prerequisites: Call [Get Available Resources](https://www.manageengine.com/products/desktop-central/help/api/onpremise/custom-groups-get-available-resources.html) to discover valid resource IDs to include in `resourceIds`.

## Endpoint

`POST /api/1.4/customgroup/addCg`

## Request URL

`https://{server-hostname}:8383/api/1.4/customgroup/addCg`

## Scope

`Common.UPDATE`

## Header

`Authorization: d92d4xxxxxxxxxxxxx15f52`

## Request Parameters

### Request Headers

- **Content-Type** `string` — **Mandatory** — `application/json`
  - Must be `application/json`. Request body must be valid JSON.
- **Accept** `string` — **Mandatory** — `application/json`
  - Must be `application/json`. Only JSON responses are supported.

### Request Body

`application/json`

- JSON Object
  - **groupName** `string` — **Mandatory**
    - Name for the new group. Must be unique. Max 100 chars.
    > Forbidden characters: `\ : ; < > ? * " | & # % /`
  - **groupCategory** `string` — **Mandatory**
    - Must be `1` for static groups.
  - **groupType** `string` — **Mandatory**
    - `1` = Computers, `2` = Users.
  - **description** `string` — Optional
    - Group description. Max 250 chars. Double quotes not allowed.
  - **resourceIds** `array` — **Mandatory**
    - Array of long resource IDs to add as members. Fetch IDs from [Get Available Resources](https://www.manageengine.com/products/desktop-central/help/api/onpremise/custom-groups-get-available-resources.html).

## Sample Request

```curl
curl --request POST \
  --url https://appdomain/api/1.4/customgroup/addCg \
  --header 'Accept: application/json' \
  --header 'Authorization:  d92d4xxxxxxxxxxxxx15f52' \
  --header 'Content-Type: application/json' \
  --data '{"groupName":"Windows Servers","groupType":1,"groupCategory":1,"description":"Production Windows Server machines","resourceIds":[101,102,103]}'
```

## Sample Request Body

### Create a static computer group with three server members

```json
{
  "groupName": "Windows Servers",
  "groupType": 1,
  "groupCategory": 1,
  "description": "Production Windows Server machines",
  "resourceIds": [
    101,
    102,
    103
  ]
}
```

### Create a static user group with two members

```json
{
  "groupName": "HR Users",
  "groupType": 2,
  "groupCategory": 1,
  "description": "Human Resources department users",
  "resourceIds": [
    501,
    502
  ]
}
```

## Response Parameters

### HTTP Code 200

Response Body — `application/json`

- JSON Object
  - **message_type** `string`
    - Always `'addCg'` for this endpoint.
  - **message_response** `JSON Object`
    - Response payload container.
  - **message_version** `string`
    - API version: `'1.4'`.
  - **status** `string`
    - `'success'` when the request completed without errors.

### HTTP Code 412

Response Body — `application/json`

- JSON Object
  - **message_type** `string`
    - Always `'addCg'` for this endpoint.
  - **message_version** `string`
    - API version: `'1.4'`.
  - **status** `string`
    - Always `'error'` for error responses.
  - **error_code** `string`
    - `'70501'` (CG_CREATE_UPDATE_PARAMS_MISSING), `'70502'` (CG_DUPLICATE_NAME), `'70504'` (CG_INVALID_GROUP_TYPE), `'70505'` (CG_INVALID_GROUP_CATEGORY), `'70503'` (CG_NULL_CRITERIA_PATTERN), `'70517'` (CG_INVALID_CRITERIA_PATTERN), `'70508'` (CG_MORE_COMPUTERS_DUMMY_CG), `'70513'` (CG_INVALID_CREATION_MODE).
  - **error_description** `string`
    - Resolved I18N message varies by error code: `'Required parameters are missing to create/update Custom Group.'` (70501), `'Custom group name is already in use.'` (70502), `'Invalid group type.'` (70504), `'Invalid group category.'` (70505), `'Criteria pattern is empty.'` (70503), `'Invalid criteria pattern.'` (70517), `'Computer limit exceeded for free edition.'` (70508), `'Only manually created Custom Group is allowed to be accessed using external apis.'` (70513).

### HTTP Code 500

Response Body — `application/json`

- JSON Object
  - **message_type** `string`
    - Always `'addCg'` for this endpoint.
  - **message_version** `string`
    - API version: `'1.4'`.
  - **status** `string`
    - Always `'error'` for error responses.
  - **error_code** `string`
    - Internal error code: `'1003'` (INTERNAL_ERROR).
  - **error_description** `string`
    - Resolved I18N message, typically: An internal error occurred while processing the request.

## Possible Response Codes

- **200** — HTTP code
- **412** — HTTP code
- **500** — HTTP code

## Sample Response: HTTP 200

### Static computer group created with assigned resource ID

```json
{
  "message_type": "addCg",
  "message_response": {
    "addcg": {
      "groupName": "Windows Servers",
      "groupType": "1",
      "groupCategory": "1",
      "cgResourceId": "301"
    }
  },
  "message_version": "1.4",
  "status": "success"
}
```

### Static group created but some submitted resource IDs were not found

```json
{
  "message_type": "addCg",
  "message_response": {
    "addcg": {
      "groupName": "Windows Servers",
      "groupType": "1",
      "groupCategory": "1",
      "invalidResourceIds": [
        999,
        998
      ],
      "cgResourceId": "301"
    }
  },
  "message_version": "1.4",
  "status": "success"
}
```

## Sample Response: HTTP 412

### Required field (`groupName`, `groupType`, `groupCategory`, or `resourceIds`) is missing

```json
{
  "error_description": "Required parameters are missing to create/update Custom Group.",
  "message_type": "addCg",
  "error_code": "70501",
  "message_version": "1.4",
  "status": "error"
}
```

### A group with this name already exists

```json
{
  "error_description": "Custom group name is already in use.",
  "message_type": "addCg",
  "error_code": "70502",
  "message_version": "1.4",
  "status": "error"
}
```

## Sample Response: HTTP 500

### Unexpected server-side failure during group creation

```json
{
  "error_description": "An internal error occurred while processing the request.",
  "message_type": "addCg",
  "error_code": "1003",
  "message_version": "1.4",
  "status": "error"
}
```

## API Rate Limit

![](https://www.zohowebstatic.com/sites/zweb/images/people/ico-help.png)

**Duration:** 1 minute | **Threshold:** 30 | **Lock period:** 5 minutes

Duration - Time window for the threshold.  
Threshold - Number of API calls allowed within the specified duration.  
Lock Period - Wait time before consecutive API requests.