May 11, 2023 · Mar 11, 2023 · Mar 11, 2023 · May 10, 2023
diff --git a/service_container/service_closures.rst b/service_container/service_closures.rst
            App\Service\MyService:
                arguments: [!service_closure '@mailer']

                # In case the dependency is optional
                # arguments: [!service_closure '@?mailer']

    .. code-block:: xml

        <!-- config/services.xml -->
            <services>
                <service id="App\Service\MyService">
                    <argument type="service_closure" id="mailer"/>

                    <!--
                    In case the dependency is optional
                    <argument type="service_closure" id="mailer" on-invalid="ignore"/>
                    -->
                </service>
            </services>
        </container>
Original file line number	Diff line number	Diff line change
Expand Up		@@ -58,6 +58,9 @@ argument of type ``service_closure``:
		App\Service\MyService:
		arguments: [!service_closure '@mailer']

		# In case the dependency is optional
		# arguments: [!service_closure '@?mailer']
Copy link Contributor HeahDudeMar 11, 2023 Choose a reason for hiding this comment The reason will be displayed to describe this comment to others.Learn more. I'm not sure if this works actually Copy link Contributor alamiraultMay 10, 2023• edited Loading Choose a reason for hiding this comment The reason will be displayed to describe this comment to others.Learn more. I checked and it's ok, if`mailer` service doesn't exist, null is pass instead OskarStark reacted with thumbs up emoji

		.. code-block:: xml

		<!-- config/services.xml -->
Expand All		@@ -69,6 +72,11 @@ argument of type ``service_closure``:
		<services>
		<service id="App\Service\MyService">
		<argument type="service_closure" id="mailer"/>

		<!--
		In case the dependency is optional
		<argument type="service_closure" id="mailer" on-invalid="ignore"/>
		-->
		</service>
		</services>
		</container>
Expand Down