docs/content/codespaces/developing-in-codespaces/default-environment-variables-for-your-codespace.md

title, shortTitle, intro, versions, type, topics

title	shortTitle	intro	versions	type	topics
Default environment variables for your codespace	Default environment variables	{% data variables.product.prodname_dotcom %} sets default environment variables for each codespace.	fpt ghec * *	overview	Codespaces Fundamentals Developer

About default environment variables

{% data variables.product.prodname_dotcom %} sets default environment variables for every codespace. Commands run in codespaces can create, read, and modify environment variables.

{% note %}

Note: Environment variables are case-sensitive.

{% endnote %}

List of default environment variables

Environment variable	Description
CODESPACE_NAME	The name of the codespace For example, octocat-literate-space-parakeet-mld5
CODESPACES	Always true while in a codespace
GIT_COMMITTER_EMAIL	The email for the "author" field of future git commits.
GIT_COMMITTER_NAME	The name for the "committer" field of future git commits.
GITHUB_CODESPACES_PORT_FORWARDING_DOMAIN	Returns the domain of the {% data variables.product.prodname_github_codespaces %} forwarded port. For example, preview.app.github.dev.
GITHUB_API_URL	Returns the API URL. For example, {% data variables.product.api_url_code %}.
GITHUB_GRAPHQL_URL	Returns the GraphQL API URL. For example, {% data variables.product.graphql_url_code %}.
GITHUB_REPOSITORY	The owner and repository name. For example, octocat/Hello-World.
GITHUB_SERVER_URL	Returns the URL of the {% data variables.product.product_name %} server. For example, https://{% data variables.product.product_url %}.
GITHUB_TOKEN	A signed auth token representing the user in the codespace. You can use this to make authenticated calls to the GitHub API. For more information, see "Authentication."
GITHUB_USER	The name of the user that initiated the codespace. For example, octocat.