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authorGitLab Bot <gitlab-bot@gitlab.com>2022-05-25 03:08:32 +0000
committerGitLab Bot <gitlab-bot@gitlab.com>2022-05-25 03:08:32 +0000
commitd7f1d79eb586f756b120e7380393248009e62a00 (patch)
tree6fa39691d38a51022bd073bbcbfc3e05c4ee9519 /doc/ci/variables
parentb48f85e16dcdda9fa2f96b7d2fe16e0a6ba28403 (diff)
downloadgitlab-ce-d7f1d79eb586f756b120e7380393248009e62a00.tar.gz
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-rw-r--r--doc/ci/variables/index.md4
-rw-r--r--doc/ci/variables/predefined_variables.md4
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diff --git a/doc/ci/variables/index.md b/doc/ci/variables/index.md
index 90403351b11..1a80da6e2bc 100644
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@@ -697,6 +697,10 @@ You can override the value of a variable when you:
The pipeline variables declared in these events take [priority over other variables](#cicd-variable-precedence).
+NOTE:
+You should avoid overriding [predefined variables](predefined_variables.md),
+as it can cause the pipeline to behave unexpectedly.
+
### Override a variable when running a pipeline manually
You can override the value of a CI/CD variable when you
diff --git a/doc/ci/variables/predefined_variables.md b/doc/ci/variables/predefined_variables.md
index f8f775a6df4..b0c2b923559 100644
--- a/doc/ci/variables/predefined_variables.md
+++ b/doc/ci/variables/predefined_variables.md
@@ -16,6 +16,10 @@ with a `script` command.
There are also a number of [variables you can use to configure runner behavior](../runners/configure_runners.md#configure-runner-behavior-with-variables) globally or for individual jobs.
+NOTE:
+You should avoid [overriding](index.md#override-a-defined-cicd-variable) predefined variables,
+as it can cause the pipeline to behave unexpectedly.
+
| Variable | GitLab | Runner | Description |
|------------------------------------------|--------|--------|-------------|
| `CHAT_CHANNEL` | 10.6 | all | The Source chat channel that triggered the [ChatOps](../chatops/index.md) command. |