Rule Manager tab lists all the rules that you have created with rule name, trigger criteria selected for the rule, alert message aggregating enabled or disabled for the rule, action chosen for the rule, date and time when the rule is last triggered and state of the rule, whether the rule is enabled or disabled and created date and time of the rule. You can use the Quick Actions menu to View, Edit, Enable, Disable, Save As, Delete, Show Activity for an existing rule along with its configuration to create a new rule with a new name. Use the search bar to search for rules using the search tokens.
Note that Last Triggered value for a rule is shown after the rule is triggered.