| token | GitHub token used to post comments, labels, and reactions. Defaults to `github.token`. | — | ${{ github.token }} |
| issue-opened-msg | Message when a first-time contributor opens an issue. | — | — |
| pr-opened-msg | Message when a first-time contributor opens a pull request. | — | — |
| issue-completed-msg | Message for a first-time contributor when their issue is closed as completed. | — | — |
| issue-not-planned-msg | Message for a first-time contributor when their issue is closed as not planned. | — | — |
| pr-merged-msg | Message for a first-time contributor when their pull request is merged. | — | — |
| pr-closed-msg | Message for a first-time contributor when their pull request is closed without being merged. | — | — |
| labels | Comma-separated list of labels to add when an issue or PR is opened. | — | — |
| issue-labels | Comma-separated list of labels for first-time issues. Overrides `labels`. | — | — |
| pr-labels | Comma-separated list of labels for first-time pull requests. Overrides `labels`. | — | — |
| reactions | Comma-separated list of emoji reactions to add to the issue or PR body. Must be one of: `+1`, `-1`, `laugh`, `confused`, `heart`, `hooray`, `rocket`, `eyes`.
| — | — |
| issue-reactions | Comma-separated list of emoji reactions to add to the issue body. Overrides `reactions` input. Must be one of: `+1`, `-1`, `laugh`, `confused`, `heart`, `hooray`, `rocket`, `eyes`.
| — | — |
| pr-reactions | Comma-separated list of emoji reactions to add to the pull request body. Overrides `reactions` input. Must be one of: `+1`, `-1`, `laugh`, `confused`, `heart`, `hooray`, `rocket`, `eyes`.
| — | — |
| contribution-mode | Controls how first contributions are tracked.
- (default): Issues and pull requests are tracked separately. The Action triggers for a user's first issue AND their first pull request.
- `once`: The Action triggers only on the user's very first contribution to the repository, whether it's an issue OR a pull request.
| — | — |
| fail-on-error | Fail the workflow step if an error occurs. | — | false |
| skip-internal-contributors | Skip users with MEMBER, OWNER, or COLLABORATOR association. | — | false |