3 participant ACM_Runtime
4 participant Participant
7 ACM_Runtime <- Participant: [ASYNC] Lock Automation Composition Element Instance Response
8 ACM_Runtime -> ACM_Database: Store Automation Composition Element Instance Response Information
10 alt Is AC Element Instance Locked?
11 ACM_Runtime -> ACM_Database: Set AC Element Instance administrative state as LOCKED
12 alt Have all the other AC Element Instances in this AC Instance been LOCKED?
13 ACM_Runtime -> ACM_Runtime: Set AC Instance administrative state as LOCKED