# Update computer or user targets using domain and value pairs

Updates the targets of an existing collection, configuration using domain and value pairs.

**Modes:** Pass `appendTargets=true` to add to existing targets (APPEND). Omit this parameter to replace all targets (REPLACE). Note: REPLACE is not supported for user targets — use APPEND instead.

**Scope Validation:** Each resources (Computer or User) must be within the technician's assigned scope. To look up resource Domain and name for collection, use [ComputerDetails](https://www.manageengine.com/products/desktop-central/help/api/onpremise/computers-getcomputers.html) to get all computers. This is the default format. Omit `useResourceIdFormat` from the request body, or set it to false explicitly.

## Endpoint

`PUT /dcapi/target/{collectionId}/modifyTargets`

## Request URL

`https://{server-hostname}:8383/dcapi/target/{collectionId}/modifyTargets`

## Scope

`Configurations.UPDATE`

(or)

`SWDeployment.UPDATE`

(or)

`PatchMgmt.UPDATE`

(or)

`VulnerabilityMgmt.UPDATE`

## Header

`Authorization: d92d4xxxxxxxxxxxxx15f52`

## Request Parameters

### Request Headers

- **Content-Type** `string` — Mandatory
  - `application/modifyTargets.v1+json`
- **Accept** `string` — Mandatory
  - `application/modifyTargets.v1+json`

### Path Parameters

- **collectionId** `string` — Mandatory
  - The unique numeric identifier of the collection whose targets are to be updated. Fetch from [Get Configurations View](https://www.manageengine.com/products/desktop-central/help/api/onpremise/deployment-fw-get-configurations-view.html).

### Request Body

`application/json`

- `JSON Object`
  - **useResourceIdFormat** `boolean` — Optional
    - Mandatory. Must be false (or omitted) to activate the legacy name/domain path. When true, use `targetDetails` (Resource ID path) instead.
  - **appendTargets** `boolean` — Optional
    - Optional. When true, new targets are appended to the existing target list; duplicates are silently skipped. When false (default), existing targets are fully replaced.
  - **targets** `JSON Array` — Optional
    - Mandatory when `useResourceIdFormat=false`. Array containing a single filter entry with name/domain pairs. Must NOT be combined with `targetDetails`. Minimum 1 item; minimum 1 value inside `filter.values`.

## Sample Request

```curl
curl --request PUT \
  --url https://appdomain/dcapi/target/{collectionId}/modifyTargets \
  --header 'Accept: application/modifyTargets.v1+json' \
  --header 'Authorization:  d92d4xxxxxxxxxxxxx15f52' \
  --header 'Content-Type: application/modifyTargets.v1+json' \
  --data '{"appendTargets":false,"useResourceIdFormat":false,"targets":[{"filter":{"isDomainMainTarget":false,"values":[{"domain":"CORP","value":"PC-001"},{"domain":"CORP","value":"LAPTOP-DEF"}],"type":"Computer"}}]}'
```

## Sample Request Body

### Replace all targets for a computer-type collection using domain/value pairs

```json
{
  "appendTargets": false,
  "useResourceIdFormat": false,
  "targets": [
    {
      "filter": {
        "isDomainMainTarget": false,
        "values": [
          {
            "domain": "CORP",
            "value": "PC-001"
          },
          {
            "domain": "CORP",
            "value": "LAPTOP-DEF"
          }
        ],
        "type": "Computer"
      }
    }
  ]
}
```

### Append a new user target to an existing user-type collection

```json
{
  "appendTargets": true,
  "useResourceIdFormat": false,
  "targets": [
    {
      "filter": {
        "isDomainMainTarget": false,
        "values": [
          {
            "domain": "CORP",
            "value": "jsmith"
          }
        ],
        "type": "User"
      }
    }
  ]
}
```

## Response Parameters

### HTTP Code 200

Response Body — `application/json`

- `JSON Object`
  - **collectionId** `long`
    - The collection ID whose targets were updated. Fetch from [Get Configurations View](https://www.manageengine.com/products/desktop-central/help/api/onpremise/deployment-fw-get-configurations-view.html).
  - **totalTargets** `string`
    - Total number of assigned targets after the update operation (after APPEND merge or REPLACE).
  - **mode** `string`
    - Update mode applied — `APPEND` when `appendTargets=true`, `REPLACE` when `appendTargets=false` (default).
  - **status** `string`
    - Confirmation string — always `Updated` on success.

### HTTP Code 400

Response Body — `application/json`

- `JSON Object`
  - **error_code** `string`
    - `CONFIG_INVALID_INPUT_DATA`: request payload validation failed. Possible causes: missing required field (`useResourceIdFormat`, `targetDetails`, `targets`, `type`, or `values`); mutual-exclusivity violation (`targets` and `targetDetails` both supplied); unsupported target type (not `computer` or `user`); filter type mismatch between request and collection type; invalid, non-managed, or out-of-scope resource ID in values array; unresolved name/domain pair; or empty values array.
  - **error_description** `string`
    - Specific message describing the first validation failure encountered.

### HTTP Code 401

Response Body — `application/json`

- `JSON Object`
  - **errorCode** `long`
    - Unauthorized error code returned when authentication credentials are missing, expired, or invalid (authentication=required)
  - **errorMsg** `string`
    - Authentication failure reason

### HTTP Code 500

Response Body — `application/json`

- `JSON Object`
  - **error_code** `string`
    - `CONFIG_INTERNAL_ERROR` or `SERVICE_NOT_AVAILABLE`: unexpected failure during target resolution, target payload generation, or collection update.
  - **error_description** `string`
    - Message describing the internal server error. Contact your administrator.

## Possible Response Codes

- **200** — HTTP code
- **400** — HTTP code
- **401** — HTTP code
- **500** — HTTP code

## Sample Response: HTTP 200

### REPLACE mode — targets fully replaced with the resolved domain/value pairs

```json
{
  "mode": "REPLACE",
  "totalTargets": 2,
  "collectionId": 12345,
  "status": "Updated"
}
```

### APPEND mode — new targets merged into the existing list

```json
{
  "mode": "APPEND",
  "totalTargets": 5,
  "collectionId": 67890,
  "status": "Updated"
}
```

## Sample Response: HTTP 400

### A domain/value pair could not be matched to any managed resource

```json
{
  "error_description": "BADPC.CORP - Invalid target Value",
  "error_code": "CONFIG_INVALID_INPUT_DATA"
}
```

### The targets array is empty

```json
{
  "error_description": "'targets' array is empty",
  "error_code": "CONFIG_INVALID_INPUT_DATA"
}
```

## Sample Response: HTTP 401

### User lacks write role for this configuration type

```json
{
  "error_description": "Access denied - You are not allowed to access the requested resource.",
  "error_code": "UAC_UNAUTHORIZED"
}
```

## Sample Response: HTTP 500

### Unexpected failure during target resolution or collection update

```json
{
  "error_description": "Error resolving targets. Contact administrator.",
  "error_code": "CONFIG_INTERNAL_ERROR"
}
```

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**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.