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

# Reaction

> ReactionType, ReactionCounts, and the Reaction record interface

Replyke v7 uses an 8-type reaction system that replaces the legacy upvote/downvote arrays. Reactions can be applied to both entities and comments. Each reaction type has a defined effect on the target owner's reputation score.

## ReactionType

The set of valid reaction values:

| Value        | Reputation Effect | Description                 |
| ------------ | ----------------- | --------------------------- |
| `"upvote"`   | +1                | Positive endorsement        |
| `"downvote"` | −1                | Negative endorsement        |
| `"like"`     | +1                | Generic like                |
| `"love"`     | +2                | Strong positive reaction    |
| `"wow"`      | +1                | Surprise or amazement       |
| `"sad"`      | 0                 | Empathetic reaction         |
| `"angry"`    | 0                 | Negative emotional reaction |
| `"funny"`    | +1                | Humor reaction              |

## ReactionCounts

Every entity and comment includes a `reactionCounts` object with the current count for each reaction type:

```ts theme={null}
{
  upvote: number;
  downvote: number;
  like: number;
  love: number;
  wow: number;
  sad: number;
  angry: number;
  funny: number;
}
```

## Reaction Record

When fetching the list of users who reacted to an entity or comment, each item in the result is a `Reaction` record:

| Property       | Type                    | Description                                                   |
| -------------- | ----------------------- | ------------------------------------------------------------- |
| `id`           | `string`                | Unique reaction identifier (UUID).                            |
| `projectId`    | `string`                | The project this reaction belongs to.                         |
| `targetType`   | `"entity" \| "comment"` | Whether the reaction targets an entity or a comment.          |
| `targetId`     | `string`                | The ID of the entity or comment that was reacted to.          |
| `userId`       | `string`                | The ID of the user who reacted.                               |
| `reactionType` | `ReactionType`          | Which of the 8 reaction types was used.                       |
| `createdAt`    | `string`                | ISO timestamp when the reaction was created.                  |
| `updatedAt`    | `string`                | ISO timestamp when the reaction was last updated.             |
| `user`         | `User`                  | The user who reacted. Populated in fetch-reactions responses. |

## See Also

* [Entity](/data-models/entity)
* [Comment](/data-models/comment)
* [useReactionToggle hook](/hooks/reactions/use-reaction-toggle)
* [Fetch Entity Reactions](/api-reference/entities/fetch-reactions)
* [Fetch Comment Reactions](/api-reference/comments/fetch-reactions)