> ## 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.

# Fetch comment by foreign ID

> Fetch a single comment by its foreign ID

## Overview

`useFetchCommentByForeignId` returns a function that fetches a comment using the foreign ID from your own system. Useful when you've stored your own identifier on a comment and need to retrieve it later.

## Usage Example

```tsx theme={null}
import { useFetchCommentByForeignId } from "@replyke/react-js";

function MyComment({ myCommentId }: { myCommentId: string }) {
  const fetchComment = useFetchCommentByForeignId();

  const load = async () => {
    const { comment } = await fetchComment({ foreignId: myCommentId });
    console.log(comment);
  };

  return <button onClick={load}>Load</button>;
}
```

## Parameters

<ParamField path="foreignId" type="string" required>
  The foreign ID to look up.
</ParamField>

<ParamField path="include" type="string | string[]">
  Populate related data. Accepted values: `"user"`, `"entity"`, `"space"`, `"parent"`.
</ParamField>

## Returns

<ResponseField name="comment" type="Comment">
  The fetched comment. See [Comment data model](/data-models/comment).
</ResponseField>