An after-hours service is often the only general practice option available when disruption strikes. Its emergency response plan identifies the events most likely in its setting, such as storm, flood, extended power, internet or telephone outage, pandemic disease, vehicle failure or the sudden loss of a practitioner, and sets out who does what: contacting staff, patients and the practices it serves, suspending or redirecting services, protecting records and vaccines, arranging cover and communicating publicly. The plan is known to the team, accessible off site, and tested or reviewed at intervals.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.