gh variable get <variable-name> [flags]
Get a variable on one of the following levels:
-e,
--env <string>-q,
--jq <expression>--json <fields>-o,
--org <string>-t,
--template <string>-R,
--repo <[HOST/]OWNER/REPO>createdAt, name, numSelectedRepos, selectedReposURL, updatedAt, value, visibility