github-variables.md

Available GitHub Variables

All GitHub variables available in your workflow in addition to ones exposed by this action.

Default Environment Variables

Read the official documentation about Default environment variables.

Action-managed Environment Variables

Action-managed Variables	Can be suffixed by
GITHUB_REPOSITORY	_SLUG, _SLUG_URL
GITHUB_REF	_SLUG, _SLUG_URL
GITHUB_REF_NAME	_SLUG, _SLUG_URL
GITHUB_HEAD_REF	_SLUG, _SLUG_URL
GITHUB_BASE_REF	_SLUG, _SLUG_URL
GITHUB_SHA	_SHORT

Variables from Events

Read the official documentation about Events that trigger workflows.

Action-managed Event Variables

create

Checkout create webhook payload content

Action-managed Variables	Available as
github.event.ref	GITHUB_EVENT_REF_SLUG
github.event.ref	GITHUB_EVENT_REF_SLUG_URL

delete

Checkout delete webhook payload content

Action-managed Variables	Available as
github.event.ref	GITHUB_EVENT_REF_SLUG
github.event.ref	GITHUB_EVENT_REF_SLUG_URL

pull_request

Checkout pull_request webhook payload content

Action-managed Variables	Available as
github.event.pull_request.head.sha	GITHUB_EVENT_PULL_REQUEST_HEAD_SHA_SHORT

pull_request_review

Checkout pull_request_review webhook payload content

Action-managed Variables	Available as
github.event.pull_request.head.sha	GITHUB_EVENT_PULL_REQUEST_HEAD_SHA_SHORT

pull_request_review_comment

Checkout pull_request_review_comment webhook payload content

Action-managed Variables	Available as
github.event.pull_request.head.sha	GITHUB_EVENT_PULL_REQUEST_HEAD_SHA_SHORT

pull_request_target

Checkout pull_request webhook payload content

Action-managed Variables	Available as
github.event.pull_request.head.sha	GITHUB_EVENT_PULL_REQUEST_HEAD_SHA_SHORT

See also

• Variable reference for transformation examples
• Slug transformation rules for how transformations work