# st.openComment

This action allows you to open a comment to react to it or reply to it.

## Constraints

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

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

> ⬇️ **Child Actions:** [st.reactToComment](/docs/action-st-react-to-comment), [st.replyToComment](/docs/action-st-reply-to-comment).

## Parameters

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

- `label` (optional) – custom label for tracking this action in workflow completion.
- `commentUrl` (required for root start, forbidden for parent start) – LinkedIn URL of the comment.
- `then` (optional) – object or array of child actions to be executed within this action.

## Result options

1. **Successful comment opening:**

```json
{
  "actionType": "st.openComment",
  "label": "comment1",
  "success": true,
  "data": {
    "commentUrn": "urn:li:comment:(urn:li:activity:1234567890123456789,9876543210)",
    "commentUrl": "https://www.linkedin.com/feed/update/urn:li:activity:1234567890123456789/?dashCommentUrn=urn%3Ali%3Afsd_comment%3A(9876543210%2Curn%3Ali%3Aactivity%3A1234567890123456789)",
    "then": { ... }
  }
}
```

- `label` – included only if specified in the action parameters.
- `data` – information about the opened comment and results of child actions execution.
  - `commentUrn` – LinkedIn URN of the comment, if available.
  - `commentUrl` – canonical deep-link URL of the comment, if available.
  - `then` – results of child actions execution.

2. **Failed comment opening:**

```json
{
  "actionType": "st.openComment",
  "label": "comment1",
  "success": false,
  "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.