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@@ -13,6 +13,7 @@ this order:
1. [Secret variables](#secret-variables)
1. YAML-defined [job-level variables](../yaml/README.md#job-variables)
1. YAML-defined [global variables](../yaml/README.md#variables)
+1. [Deployment variables](#deployment-variables)
1. [Predefined variables](#predefined-variables-environment-variables) (are the
lowest in the chain)
@@ -148,6 +149,20 @@ Secret variables can be added by going to your project's
Once you set them, they will be available for all subsequent builds.
+## Deployment variables
+
+>**Note:**
+This feature requires GitLab CI 8.15 or higher.
+
+[Project services](../../project_services/project_services.md) that are
+responsible for deployment configuration may define their own variables that
+are set in the build environment. These variables are only defined for
+[deployment builds](../environments.md). Please consult the documentation of
+the project services that you are using to learn which variables they define.
+
+An example project service that defines deployment variables is
+[Kubernetes Service](../../project_services/kubernetes.md).
+
## Debug tracing
> Introduced in GitLab Runner 1.7.