> ## Documentation Index
> Fetch the complete documentation index at: https://docs.open-metadata.org/llms.txt
> Use this file to discover all available pages before exploring further.

# Followers & Votes

> Manage followers and votes for topics

# Followers & Votes

Manage followers and votes for topic entities.

## Followers

### Add Follower

`PUT /v1/topics/{id}/followers`

<ParamField path="id" type="string" required>
  UUID of the topic.
</ParamField>

<ParamField body="id" type="string" required>
  UUID of the user to add as a follower (sent as request body string).
</ParamField>

### Remove Follower

`DELETE /v1/topics/{id}/followers/{userId}`

<ParamField path="id" type="string" required>
  UUID of the topic.
</ParamField>

<ParamField path="userId" type="string" required>
  UUID of the user to remove.
</ParamField>

## Votes

### Add or Update Vote

`PUT /v1/topics/{id}/vote`

<ParamField path="id" type="string" required>
  UUID of the topic.
</ParamField>

<ParamField body="updatedVoteType" type="string" required>
  Vote type: `votedUp`, `votedDown`, or `unVoted`.
</ParamField>

<RequestExample dropdown>
  ```python PUT /v1/topics/{id}/followers theme={null}
  from metadata.sdk import configure
  from metadata.sdk.entities import Topics

  configure(
      host="https://your-company.open-metadata.org/api",
      jwt_token="your-jwt-token"
  )

  topic_id = "0a021819-982e-4ee4-a5a2-4af30eaa3016"
  user_id = "user-uuid-here"

  # Add a follower
  topic = Topics.add_followers(topic_id, [user_id])
  print(f"Followers: {len(topic.followers)}")

  # Remove a follower
  topic = Topics.remove_followers(topic_id, [user_id])

  # Add a vote
  topic = Topics.add_vote(topic_id, vote_type="votedUp")

  # Remove a vote
  topic = Topics.remove_vote(topic_id)
  ```

  ```java PUT /v1/topics/{id}/followers theme={null}
  import static org.openmetadata.sdk.fluent.Topics.*;

  String topicId = "0a021819-982e-4ee4-a5a2-4af30eaa3016";

  // Add a follower
  Topics.addFollower(topicId, "user-uuid-here");

  // Remove a follower
  Topics.removeFollower(topicId, "user-uuid-here");

  // Add a vote
  Topics.vote(topicId, "votedUp");

  // Remove a vote
  Topics.vote(topicId, "unVoted");
  ```

  ```bash PUT /v1/topics/{id}/followers theme={null}
  # Add a follower
  curl -X PUT "{base_url}/api/v1/topics/0a021819-982e-4ee4-a5a2-4af30eaa3016/followers" \
    -H "Authorization: Bearer {access_token}" \
    -H "Content-Type: application/json" \
    -d '"user-uuid-here"'

  # Remove a follower
  curl -X DELETE "{base_url}/api/v1/topics/0a021819-982e-4ee4-a5a2-4af30eaa3016/followers/user-uuid-here" \
    -H "Authorization: Bearer {access_token}"

  # Add a vote
  curl -X PUT "{base_url}/api/v1/topics/0a021819-982e-4ee4-a5a2-4af30eaa3016/vote" \
    -H "Authorization: Bearer {access_token}" \
    -H "Content-Type: application/json" \
    -d '{"updatedVoteType": "votedUp"}'

  # Remove a vote
  curl -X PUT "{base_url}/api/v1/topics/0a021819-982e-4ee4-a5a2-4af30eaa3016/vote" \
    -H "Authorization: Bearer {access_token}" \
    -H "Content-Type: application/json" \
    -d '{"updatedVoteType": "unVoted"}'
  ```
</RequestExample>

<ResponseExample>
  ```json Response (Add Follower) theme={null}
  {
    "id": "0a021819-982e-4ee4-a5a2-4af30eaa3016",
    "name": "address_book",
    "fullyQualifiedName": "sample_kafka.address_book",
    "description": "All Protobuf record related events gets captured in this topic",
    "version": 0.1,
    "updatedAt": 1769982663546,
    "updatedBy": "admin",
    "service": {
      "id": "469ef25e-9bdf-4d5f-8553-eb0ce8581f30",
      "type": "messagingService",
      "name": "sample_kafka",
      "fullyQualifiedName": "sample_kafka"
    },
    "serviceType": "Kafka",
    "messageSchema": {
      "schemaText": "syntax = \"proto2\";\npackage tutorial;\nmessage Person { ... }",
      "schemaType": "Protobuf"
    },
    "partitions": 1,
    "cleanupPolicies": ["delete"],
    "replicationFactor": 1,
    "deleted": false,
    "followers": [
      {
        "id": "user-uuid-here",
        "type": "user",
        "name": "john.doe"
      }
    ],
    "owners": [],
    "tags": [],
    "domains": []
  }
  ```
</ResponseExample>

***

## Error Handling

| Code  | Error Type     | Description                             |
| ----- | -------------- | --------------------------------------- |
| `401` | `UNAUTHORIZED` | Invalid or missing authentication token |
| `403` | `FORBIDDEN`    | User lacks permission                   |
| `404` | `NOT_FOUND`    | Topic or user does not exist            |