NOTIFICATION_LEVEL

Definition:	It refers to the notification level.
Label:	notification level
Identifier:	notification-level.ttl
Note:	Accepted values: ON_DENY, ON_ALLOW, ON_DUTY_EXERCISED, ON_ACTION_OPERATED.
Class:	Left Operand

Example:

"constraint": [{
	"leftOperand": "idsc:NOTIFICATION_LEVEL",
	"operator": "eq",
	"rightOperand": { "@id": "idsc:ON_DENY" }
}]