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

# Update Assignment

> Update the data owner of an assignment

# Update Assignment

Change the data owner details of an existing assignment. Only send the fields you want to change.

<Note>
  The `organization_id` and `facility_id` cannot be changed after creation. To reassign to a different org or facility, delete the assignment and create a new one.
</Note>

## Request

### Headers

<ParamField header="x-api-key" type="string" required>
  Your API key for authentication

  **Example:** `sk_live_1234567890abcdef`
</ParamField>

<ParamField header="x-organization-id" type="string" required>
  Your organization UUID

  **Example:** `a8315ef3-dd50-43f8-b7ce-d839e68d51fa`
</ParamField>

### Path Parameters

<ParamField path="dataset_id" type="string" required>
  UUID of the parent dataset
</ParamField>

<ParamField path="assignment_id" type="string" required>
  UUID of the assignment to update
</ParamField>

### Body Parameters

All fields are optional.

<ParamField body="data_owner_email" type="string">
  New data owner email address
</ParamField>

<ParamField body="data_owner_user_id" type="string">
  New Dcycle user UUID for the data owner
</ParamField>

## Response

Returns the updated assignment (HTTP 200).

<ResponseField name="id" type="string">
  Assignment UUID.
</ResponseField>

<ResponseField name="dataset_id" type="string">
  Parent dataset UUID.
</ResponseField>

<ResponseField name="organization_id" type="string">
  Organization UUID the assignment targets.
</ResponseField>

<ResponseField name="facility_id" type="string | null">
  Facility UUID if the assignment is facility-scoped.
</ResponseField>

<ResponseField name="data_owner_user_id" type="string | null">
  User UUID of the data owner (if they have a Dcycle account).
</ResponseField>

<ResponseField name="data_owner_email" type="string">
  Email address of the recipient.
</ResponseField>

<ResponseField name="created_at" type="datetime">
  Creation timestamp (ISO 8601).
</ResponseField>

<ResponseField name="updated_at" type="string | null">
  Last update timestamp (ISO 8601).
</ResponseField>

## Example

<CodeGroup>
  ```bash cURL theme={"theme":{"light":"github-light","dark":"github-dark"}}
  curl -X PATCH "https://api.dcycle.io/v1/custom-kpi-datasets/${DATASET_ID}/assignments/${ASSIGNMENT_ID}" \
    -H "x-api-key: ${DCYCLE_API_KEY}" \
    -H "x-organization-id: ${DCYCLE_ORG_ID}" \
    -H "Content-Type: application/json" \
    -d '{"data_owner_email": "new-manager@example.com"}'
  ```

  ```python Python theme={"theme":{"light":"github-light","dark":"github-dark"}}
  import requests
  import os

  headers = {
      "x-api-key": os.getenv("DCYCLE_API_KEY"),
      "x-organization-id": os.getenv("DCYCLE_ORG_ID"),
      "Content-Type": "application/json",
  }

  dataset_id = "a1b2c3d4-e5f6-7890-abcd-ef1234567890"
  assignment_id = "d4e5f6a7-b8c9-0123-defa-234567890123"

  response = requests.patch(
      f"https://api.dcycle.io/v1/custom-kpi-datasets/{dataset_id}/assignments/{assignment_id}",
      headers=headers,
      json={"data_owner_email": "new-manager@example.com"},
  )

  assignment = response.json()
  print(f"Updated: {assignment['data_owner_email']}")
  ```

  ```javascript JavaScript theme={"theme":{"light":"github-light","dark":"github-dark"}}
  const axios = require('axios');

  const headers = {
    'x-api-key': process.env.DCYCLE_API_KEY,
    'x-organization-id': process.env.DCYCLE_ORG_ID,
    'Content-Type': 'application/json',
  };

  const datasetId = 'a1b2c3d4-e5f6-7890-abcd-ef1234567890';
  const assignmentId = 'd4e5f6a7-b8c9-0123-defa-234567890123';

  axios.patch(
    `https://api.dcycle.io/v1/custom-kpi-datasets/${datasetId}/assignments/${assignmentId}`,
    { data_owner_email: 'new-manager@example.com' },
    { headers }
  )
  .then(response => console.log(`Updated: ${response.data.data_owner_email}`));
  ```
</CodeGroup>

### Successful Response

```json theme={"theme":{"light":"github-light","dark":"github-dark"}}
{
  "id": "d4e5f6a7-b8c9-0123-defa-234567890123",
  "dataset_id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "organization_id": "a8315ef3-dd50-43f8-b7ce-d839e68d51fa",
  "facility_id": null,
  "data_owner_user_id": null,
  "data_owner_email": "new-manager@example.com",
  "created_at": "2025-06-10T08:00:00Z",
  "updated_at": "2025-06-18T15:30:00Z"
}
```

## Common Errors

### 401 Unauthorized

**Cause:** Missing or invalid API key

```json theme={"theme":{"light":"github-light","dark":"github-dark"}}
{"detail": "Invalid API key for organization", "code": "INVALID_API_KEY"}
```

### 403 Forbidden

**Cause:** The authenticated user is not a member of the organization

```json theme={"theme":{"light":"github-light","dark":"github-dark"}}
{"detail": "Logged User is not Member of Organization", "code": "LOGGED_USER_NOT_MEMBER"}
```

### 404 Not Found

**Cause:** Assignment not found

```json theme={"theme":{"light":"github-light","dark":"github-dark"}}
{
  "detail": "Assignment not found"
}
```

## Related Endpoints

<CardGroup cols={2}>
  <Card title="List Assignments" icon="list" href="/api-reference/custom-kpi/list-assignments">
    View all assignments
  </Card>

  <Card title="Delete Assignment" icon="trash" href="/api-reference/custom-kpi/delete-assignment">
    Remove an assignment
  </Card>
</CardGroup>