3.2 Delete an Automation Composition Instance
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+The user requests the AC Instance to be deleted using a REST endpoint. The ACM Runtime orders the AC Instance to be deleted.
.. image:: ../images/system-dialogues/DeleteAcInstance.png
+Each participant deletes its AC Element Instances from the AC Instance
+
+.. image:: ../images/system-dialogues/DeleteInstanceElements.png
+
+The ACM Runtime receives and stores the responses, when all instances element are deleted, it delete the instance.
+
+.. image:: ../images/system-dialogues/DeleteResponseStored.png
+
3.3 Deploy Automation Composition Instance
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The user requests the AC Instance to be deployed using a REST endpoint. The ACM Runtime orders the AC Instance to be deployed to Participants.