# st.reactToComment

This action allows you to react to a comment using any available reaction type.

## Constraints

> ⏺️ **Root Start:** allowed, when `commentUrl` parameter is provided.

> ⬆️ **Parent Actions:** [st.doForComments](/docs/action-st-do-for-comments), [st.openComment](/docs/action-st-open-comment).

> ⬇️ **Child Actions:** N/A.

## Parameters

```json
{
  "actionType": "st.reactToComment",
  "commentUrl": "https://www.linkedin.com/feed/update/urn:li:activity:1234567890123456789/?dashCommentUrn=urn%3Ali%3Afsd_comment%3A(9876543210%2Curn%3Ali%3Aactivity%3A1234567890123456789)",
  "type": "like",
  "label": "comment1"
}
```

- `commentUrl` (required for root start, forbidden for parent start) – LinkedIn URL of the comment.
- `type` (optional, default: `like`) – enum describing the reaction type.
  - `like` – standard "like".
  - `celebrate` – to celebrate an achievement.
  - `support` – to show support.
  - `love` – to express love or admiration.
  - `insightful` – to appreciate insightful content.
  - `funny` – to react to something humorous.
- `label` (optional) – custom label for tracking this action in workflow completion.

## Result options

1. **Successful comment reaction:**

```json
{
  "actionType": "st.reactToComment",
  "success": true,
  "label": "comment1"
}
```

- `label` – included only if specified in the action parameters.

2. **Failed comment reaction:**

```json
{
  "actionType": "st.reactToComment",
  "success": false,
  "label": "comment1",
  "error": {
    "type": "commentNotFound",
    "message": "The comment could not be opened or no longer exists."
  }
}
```

- `label` – included only if specified in the action parameters.
- `error.type` – enum with the following possible values:
  - `commentNotFound` – the comment could not be opened or no longer exists.