public AttributeRuleTriggers GetTriggeringEvents()

public void GetAttributeRules(Geodatabase geodatabase, string tableName)
{
    using (TableDefinition tableDefinition = geodatabase.GetDefinition<TableDefinition>(tableName))
    {
        // Get all attribute rule types
        IReadOnlyList<AttributeRuleDefinition> ruleDefinitions = tableDefinition.GetAttributeRules();

        // Iterate rule definitions
        foreach (AttributeRuleDefinition ruleDefinition in ruleDefinitions)
        {
            AttributeRuleType ruleType = ruleDefinition.GetAttributeRuleType();
            string ruleDescription = ruleDefinition.GetDescription();
            bool isAttributeFieldEditable = ruleDefinition.GetIsFieldEditable();
            string arcadeVersionToSupportRule = ruleDefinition.GetMinimumArcadeVersion();
            int ruleEvaluationOrder = ruleDefinition.GetEvaluationOrder();
            AttributeRuleTriggers triggeringEvents = ruleDefinition.GetTriggeringEvents();
            string scriptExpression = ruleDefinition.GetScriptExpression();

            // more properties
        }
    }
}