- **create_pull_request_review** - Create a review on a pull request review

- `owner`: Repository owner (string, required)

- `repo`: Repository name (string, required)

- `pullNumber`: Pull request number (number, required)

- `body`: Review comment text (string, optional)

- `event`: Review action ('APPROVE', 'REQUEST_CHANGES', 'COMMENT') (string, required)

- `commitId`: SHA of commit to review (string, optional)

- `comments`: Line-specific comments array of objects to place comments on pull request changes (array, optional)

- For inline comments: provide `path`, `position` (or `line`), and `body`

- For multi-line comments: provide `path`, `start_line`, `line`, optional `side`/`start_side`, and `body`

- **add_pull_request_review_comment** - Add a review comment to a pull request or reply to an existing comment

- `owner`: Repository owner (string, required)

- `repo`: Repository name (string, required)

- `pull_number`: Pull request number (number, required)

- `body`: The text of the review comment (string, required)

- `commit_id`: The SHA of the commit to comment on (string, required unless using in_reply_to)

- `path`: The relative path to the file that necessitates a comment (string, required unless using in_reply_to)

- `line`: The line of the blob in the pull request diff that the comment applies to (number, optional)

- `side`: The side of the diff to comment on (LEFT or RIGHT) (string, optional)

- `start_line`: For multi-line comments, the first line of the range (number, optional)

- `start_side`: For multi-line comments, the starting side of the diff (LEFT or RIGHT) (string, optional)

- `subject_type`: The level at which the comment is targeted (line or file) (string, optional)

- `in_reply_to`: The ID of the review comment to reply to (number, optional). When specified, only body is required and other parameters are ignored.