This object indicates the method used by alert group
to generate Call Home messages.
callHomeMessageSeverity -
Call Home alert is generated based only on the level
of severity.
periodic -
Call Home alert is generated periodically.
regularExpression -
Call Home alert is generated based on the configured
regular expression.
event -
Call Home alert is generated based on change event.
onDemand -
Call Home alert is generated at user request.
onDemandPerEntity -
Call Home alert is generated for specific entities
at user request.
periodicHourly -
Call Home alert is generated hourly.
periodicMinutes -
Call Home alert is generated periodically after
specified number of minutes.