uranusjr commented on a change in pull request #16686:
URL: https://github.com/apache/airflow/pull/16686#discussion_r660207670
##########
File path: docs/apache-airflow/macros-ref.rst
##########
@@ -97,6 +99,13 @@ It is also possible to fetch a variable by string if needed
with
``{{ var.json.get('my.dict.var', {'key1': 'val1'}) }}``. Defaults can be
supplied in case the variable does not exist.
+Similarly, Airflow Connections data can be accessed via the ``conn`` template
variable.
+For example, you could use expressions in your templates like ``{{
conn.my_conn_id.login }}``,
+``{{ conn.my_conn_id.password }}``, etc.
+Just like with ``var`` it's possible to fetch a connection by string or
provide defaults with
+``{{ conn.get('my_conn_id').host }}`` or
Review comment:
Is this a good example? If `my_conn_id` exists this is the same as
`conn.my_conn_id`, and if it does not the `.host` part results in an error.
##########
File path: docs/apache-airflow/concepts/connections.rst
##########
@@ -24,9 +24,11 @@ A Connection is essentially set of parameters - such as
username, password and h
They can be managed via the UI or via the CLI; see :doc:`/howto/connection`
for more information on creating, editing and managing connections. There are
customizable connection storage and backend options.
-You can use Connections directly from your own code, or you can use them via
Hooks.
+You can use Connections directly from your own code, you can use them via
Hooks or use them from :ref:`templates <concepts:jinja-templating>`::
+ echo {{ conn.<variable_name>.host }}
Review comment:
`connection_id`?
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