| `environment:url` | yes | GitLab | The variable expansion is made by GitLab's [internal variable expansion mechanism](#gitlab-internal-variable-expansion-mechanism).<ul><li>Supported: all variables defined for a job (project/group variables, variables from `.gitlab-ci.yml`, variables from triggers, variables from pipeline schedules)</li><li>Not suported: variables defined in Runner's `config.toml` and variables created in job's `script`</li></ul> |
| `environment:url` | yes | GitLab | The variable expansion is made by GitLab's [internal variable expansion mechanism](#gitlab-internal-variable-expansion-mechanism).<ul><li>Supported: all variables defined for a job (project/group variables, variables from `.gitlab-ci.yml`, variables from triggers, variables from pipeline schedules)</li><li>Not supported: variables defined in Runner's `config.toml` and variables created in job's `script`</li></ul> |
| `environment:name` | yes | GitLab | Similar to `environment:url`, but the variables expansion doesn't support: <ul><li>variables that are based on the environment's name (`CI_ENVIRONMENT_NAME`, `CI_ENVIRONMENT_SLUG`)</li><li>any other variables related to environment (currently only `CI_ENVIRONMENT_URL`)</li><li>[persisted variables](#persisted-variables)</li></ul> |
| `variables` | yes | Runner | The variable expansion is made by GitLab Runner's [internal variable expansion mechanism](#gitlab-runner-internal-variable-expansion-mechanism) |
| `image` | yes | Runner | The variable expansion is made by GitLab Runner's [internal variable expansion mechanism](#gitlab-runner-internal-variable-expansion-mechanism) |