phanikumv commented on code in PR #68694:
URL: https://github.com/apache/airflow/pull/68694#discussion_r3443184521
##########
airflow-core/docs/authoring-and-scheduling/language-sdks/index.rst:
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@@ -147,6 +148,14 @@ Coordinators are registered in ``airflow.cfg`` (or via
environment variables) un
of each coordinator (e.g. :ref:`java-sdk/coordinator-config` for
:class:`~airflow.sdk.coordinators.java.JavaCoordinator`).
+ ``extra`` is an optional object for any additional information you want to
associate with a
+ coordinator without coupling it to the coordinator instance. The
coordinator itself never
+ receives it; other components read it as needed. For example,
KubernetesExecutor reads
+ ``extra.pod_template_file`` to launch a queue's worker pod from a specific
pod template, and
+ ``extra.worker_container_repository`` + ``extra.worker_container_tag`` to
override that queue's
+ worker base image (both keys are required), e.g. an image that bundles the
JVM for a Java
+ coordinator.
+
Review Comment:
got it. looks good then
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