Final answer:
In Crisis Action Planning, it is the trigger that initiates Course of Action Development, relevant to both supported and supporting commands, comparable to multi-agency efforts in environmental projects like CAPE.
Step-by-step explanation:
During Crisis Action Planning (CAP), a trigger initiates Course of Action Development and applies to the supported and supporting commands. This trigger is often a response to escalating threats and requires the engagement and coordination of various entities.
The Cape Action Plan for the Environment (CAPE) project mentioned in the reference, while addressing environmental concerns, showcases a similar multi-agency coordination effort aimed at biodiversity protection, sustainable use, and institutional capacity strengthening.