| token | GitHub token for API access | no | ${{ github.token }} |
| trigger_label | Label required on PR to trigger release notes generation (leave empty to run for all PRs) | no | "" |
| target_branch | Target branch for release (main, dev, etc.) | no | main |
| gemini_api_key | Gemini API key for AI-powered release notes | no | — |
| custom_prompt | Custom prompt template for AI release notes generation | no | — |
| version_strategy | Version increment strategy: patch, minor, major, auto | no | patch |
| version_prefix | Version prefix (e.g., v, release-) | no | v |
| environment | Deployment environment (PROD, DEV, STAGING) | no | PROD |
| create_release | Create GitHub release (true/false) | no | true |
| release_draft | Create release as draft (true/false) | no | false |
| release_prerelease | Mark release as prerelease (true/false) | no | false |
| update_changelog | Update CHANGELOG.md file (true/false) | no | true |
| changelog_file | Path to changelog file | no | CHANGELOG.md |
| enable_slack | Enable Slack notifications (true/false) | no | false |
| slack_webhook_url | Slack webhook URL for notifications | no | — |
| slack_channel | Slack channel name (without #) | no | — |
| slack_mention_users | Comma-separated list of users to mention in Slack | no | — |
| slack_mention_groups | Comma-separated list of groups to mention in Slack | no | — |
| git_user_name | Git user name for commits | no | github-actions[bot] |
| git_user_email | Git user email for commits | no | github-actions[bot]@users.noreply.github.com |
| skip_if_no_changes | Skip release if no significant changes detected (true/false) | no | false |
| include_commit_links | Include links to commits in release notes (true/false) | no | true |
| include_pr_links | Include links to PRs in release notes (true/false) | no | true |
| max_commits_fallback | Maximum commits to include in fallback notes | no | 10 |
| output_format | Output format: markdown, html, json | no | markdown |
| gcp_project_id | Google Cloud Project ID for Vertex AI | no | — |
| gcp_location | Google Cloud Location for Vertex AI | no | us-central1 |
| gcp_workload_identity_provider | GCP Workload Identity Provider | no | — |
| gcp_service_account | GCP Service Account Email | no | — |
| use_vertex_ai | Use Vertex AI instead of Gemini API (true/false) | no | false |