diff --git a/backend/src/Squidex.Domain.Apps.Entities/Rules/Runner/DefaultRuleRunnerService.cs b/backend/src/Squidex.Domain.Apps.Entities/Rules/Runner/DefaultRuleRunnerService.cs
index c06e31561..6e9135e8b 100644
--- a/backend/src/Squidex.Domain.Apps.Entities/Rules/Runner/DefaultRuleRunnerService.cs
+++ b/backend/src/Squidex.Domain.Apps.Entities/Rules/Runner/DefaultRuleRunnerService.cs
@@ -8,6 +8,7 @@
 using NodaTime;
 using Orleans;
 using Squidex.Domain.Apps.Core.HandleRules;
+using Squidex.Domain.Apps.Core.Rules;
 using Squidex.Domain.Apps.Core.Rules.Triggers;
 using Squidex.Domain.Apps.Events;
 using Squidex.Infrastructure;
@@ -34,16 +35,22 @@ namespace Squidex.Domain.Apps.Entities.Rules.Runner
             this.ruleService = ruleService;
         }
 
-        public async Task<List<SimulatedRuleEvent>> SimulateAsync(IRuleEntity rule,
+        public Task<List<SimulatedRuleEvent>> SimulateAsync(IRuleEntity rule,
+            CancellationToken ct = default)
+        {
+            return SimulateAsync(rule.AppId, rule.Id, rule.RuleDef, ct);
+        }
+
+        public async Task<List<SimulatedRuleEvent>> SimulateAsync(NamedId<DomainId> appId, DomainId ruleId, Rule rule,
             CancellationToken ct = default)
         {
             Guard.NotNull(rule);
 
             var context = new RuleContext
             {
-                AppId = rule.AppId,
-                Rule = rule.RuleDef,
-                RuleId = rule.Id,
+                AppId = appId,
+                Rule = rule,
+                RuleId = ruleId,
                 IncludeSkipped = true,
                 IncludeStale = true
             };
@@ -52,7 +59,7 @@ namespace Squidex.Domain.Apps.Entities.Rules.Runner
 
             var fromNow = SystemClock.Instance.GetCurrentInstant().Minus(Duration.FromDays(7));
 
-            await foreach (var storedEvent in eventStore.QueryAllReverseAsync($"^([a-zA-Z0-9]+)\\-{rule.AppId.Id}", fromNow, MaxSimulatedEvents, ct))
+            await foreach (var storedEvent in eventStore.QueryAllReverseAsync($"^([a-zA-Z0-9]+)\\-{appId.Id}", fromNow, MaxSimulatedEvents, ct))
             {
                 var @event = eventDataFormatter.ParseIfKnown(storedEvent);
 
@@ -75,6 +82,7 @@ namespace Squidex.Domain.Apps.Entities.Rules.Runner
                             EnrichedEvent = result.EnrichedEvent,
                             Error = result.EnrichmentError?.Message,
                             Event = @event.Payload,
+                            EventId = @event.Headers.EventId(),
                             EventName = eventName,
                             SkipReason = result.SkipReason
                         });
diff --git a/backend/src/Squidex.Domain.Apps.Entities/Rules/Runner/IRuleRunnerService.cs b/backend/src/Squidex.Domain.Apps.Entities/Rules/Runner/IRuleRunnerService.cs
index d741f8cde..742f31304 100644
--- a/backend/src/Squidex.Domain.Apps.Entities/Rules/Runner/IRuleRunnerService.cs
+++ b/backend/src/Squidex.Domain.Apps.Entities/Rules/Runner/IRuleRunnerService.cs
@@ -5,12 +5,16 @@
 //  All rights reserved. Licensed under the MIT license.
 // ==========================================================================
 
+using Squidex.Domain.Apps.Core.Rules;
 using Squidex.Infrastructure;
 
 namespace Squidex.Domain.Apps.Entities.Rules.Runner
 {
     public interface IRuleRunnerService
     {
+        Task<List<SimulatedRuleEvent>> SimulateAsync(NamedId<DomainId> appId, DomainId ruleId, Rule rule,
+            CancellationToken ct = default);
+
         Task<List<SimulatedRuleEvent>> SimulateAsync(IRuleEntity rule,
             CancellationToken ct = default);
 
diff --git a/backend/src/Squidex.Domain.Apps.Entities/Rules/Runner/SimulatedRuleEvent.cs b/backend/src/Squidex.Domain.Apps.Entities/Rules/Runner/SimulatedRuleEvent.cs
index 8722d8ad1..023c2f7ca 100644
--- a/backend/src/Squidex.Domain.Apps.Entities/Rules/Runner/SimulatedRuleEvent.cs
+++ b/backend/src/Squidex.Domain.Apps.Entities/Rules/Runner/SimulatedRuleEvent.cs
@@ -6,11 +6,14 @@
 // ==========================================================================
 
 using Squidex.Domain.Apps.Core.HandleRules;
+using Squidex.Infrastructure;
 
 namespace Squidex.Domain.Apps.Entities.Rules.Runner
 {
     public sealed record SimulatedRuleEvent
     {
+        public Guid EventId { get; init; }
+
         public string EventName { get; init; }
 
         public object Event { get; init; }
diff --git a/backend/src/Squidex.Web/Json/TypedJsonInheritanceConverter.cs b/backend/src/Squidex.Web/Json/TypedJsonInheritanceConverter.cs
index dbe7ee45a..cedbb08b0 100644
--- a/backend/src/Squidex.Web/Json/TypedJsonInheritanceConverter.cs
+++ b/backend/src/Squidex.Web/Json/TypedJsonInheritanceConverter.cs
@@ -7,9 +7,9 @@
 
 using System.Reflection;
 using System.Runtime.Serialization;
+using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using NJsonSchema.Converters;
-using Squidex.Infrastructure;
 
 #pragma warning disable RECS0108 // Warns about static fields in generic types
 
@@ -81,7 +81,17 @@ namespace Squidex.Web.Json
 
         protected override Type GetDiscriminatorType(JObject jObject, Type objectType, string discriminatorValue)
         {
-            return mapping.GetOrDefault(discriminatorValue) ?? throw new InvalidOperationException($"Could not find subtype of '{objectType.Name}' with discriminator '{discriminatorValue}'.");
+            if (discriminatorValue == null)
+            {
+                throw new JsonException("Cannot find discriminator.");
+            }
+
+            if (!mapping.TryGetValue(discriminatorValue, out var type))
+            {
+                throw new JsonException($"Could not find subtype of '{objectType.Name}' with discriminator '{discriminatorValue}'.");
+            }
+
+            return type;
         }
 
         public override string GetDiscriminatorValue(Type type)
@@ -89,4 +99,4 @@ namespace Squidex.Web.Json
             return mapping.FirstOrDefault(x => x.Value == type).Key ?? type.Name;
         }
     }
-}
\ No newline at end of file
+}
diff --git a/backend/src/Squidex/Areas/Api/Controllers/Apps/Models/UpdateRoleDto.cs b/backend/src/Squidex/Areas/Api/Controllers/Apps/Models/UpdateRoleDto.cs
index 7a0ad9354..0f72527a4 100644
--- a/backend/src/Squidex/Areas/Api/Controllers/Apps/Models/UpdateRoleDto.cs
+++ b/backend/src/Squidex/Areas/Api/Controllers/Apps/Models/UpdateRoleDto.cs
@@ -7,6 +7,7 @@
 
 using Squidex.Domain.Apps.Entities.Apps.Commands;
 using Squidex.Infrastructure.Json.Objects;
+using Squidex.Infrastructure.Reflection;
 using Squidex.Infrastructure.Validation;
 
 namespace Squidex.Areas.Api.Controllers.Apps.Models
@@ -26,7 +27,7 @@ namespace Squidex.Areas.Api.Controllers.Apps.Models
 
         public UpdateRole ToCommand(string name)
         {
-            return new UpdateRole { Name = name, Permissions = Permissions, Properties = Properties };
+            return SimpleMapper.Map(this, new UpdateRole { Name = name });
         }
     }
 }
diff --git a/backend/src/Squidex/Areas/Api/Controllers/Rules/Models/CreateRuleDto.cs b/backend/src/Squidex/Areas/Api/Controllers/Rules/Models/CreateRuleDto.cs
index 92f1a4fda..369bb34b8 100644
--- a/backend/src/Squidex/Areas/Api/Controllers/Rules/Models/CreateRuleDto.cs
+++ b/backend/src/Squidex/Areas/Api/Controllers/Rules/Models/CreateRuleDto.cs
@@ -27,16 +27,14 @@ namespace Squidex.Areas.Api.Controllers.Rules.Models
         [JsonConverter(typeof(RuleActionConverter))]
         public RuleAction Action { get; set; }
 
-        public CreateRule ToCommand()
+        public Rule ToRule()
         {
-            var command = new CreateRule { Action = Action };
-
-            if (Trigger != null)
-            {
-                command.Trigger = Trigger.ToTrigger();
-            }
+            return new Rule(Trigger.ToTrigger(), Action);
+        }
 
-            return command;
+        public CreateRule ToCommand()
+        {
+            return new CreateRule { Action = Action, Trigger = Trigger?.ToTrigger() };
         }
     }
 }
diff --git a/backend/src/Squidex/Areas/Api/Controllers/Rules/Models/SimulatedRuleEventDto.cs b/backend/src/Squidex/Areas/Api/Controllers/Rules/Models/SimulatedRuleEventDto.cs
index f3fe4b1d5..853d60750 100644
--- a/backend/src/Squidex/Areas/Api/Controllers/Rules/Models/SimulatedRuleEventDto.cs
+++ b/backend/src/Squidex/Areas/Api/Controllers/Rules/Models/SimulatedRuleEventDto.cs
@@ -14,6 +14,12 @@ namespace Squidex.Areas.Api.Controllers.Rules.Models
 {
     public sealed record SimulatedRuleEventDto
     {
+        /// <summary>
+        /// The unique event id.
+        /// </summary>
+        [Required]
+        public Guid EventId { get; init; }
+
         /// <summary>
         /// The name of the event.
         /// </summary>
diff --git a/backend/src/Squidex/Areas/Api/Controllers/Rules/Models/UpdateRuleDto.cs b/backend/src/Squidex/Areas/Api/Controllers/Rules/Models/UpdateRuleDto.cs
index f203d1025..87379b1d1 100644
--- a/backend/src/Squidex/Areas/Api/Controllers/Rules/Models/UpdateRuleDto.cs
+++ b/backend/src/Squidex/Areas/Api/Controllers/Rules/Models/UpdateRuleDto.cs
@@ -40,10 +40,7 @@ namespace Squidex.Areas.Api.Controllers.Rules.Models
         {
             var command = SimpleMapper.Map(this, new UpdateRule { RuleId = id });
 
-            if (Trigger != null)
-            {
-                command.Trigger = Trigger.ToTrigger();
-            }
+            command.Trigger = Trigger?.ToTrigger();
 
             return command;
         }
diff --git a/backend/src/Squidex/Areas/Api/Controllers/Rules/RulesController.cs b/backend/src/Squidex/Areas/Api/Controllers/Rules/RulesController.cs
index b7b3c5140..11792225c 100644
--- a/backend/src/Squidex/Areas/Api/Controllers/Rules/RulesController.cs
+++ b/backend/src/Squidex/Areas/Api/Controllers/Rules/RulesController.cs
@@ -14,6 +14,7 @@ using Squidex.Areas.Api.Controllers.Rules.Models;
 using Squidex.Domain.Apps.Core.HandleRules;
 using Squidex.Domain.Apps.Core.Scripting;
 using Squidex.Domain.Apps.Entities;
+using Squidex.Domain.Apps.Entities.Apps;
 using Squidex.Domain.Apps.Entities.Rules;
 using Squidex.Domain.Apps.Entities.Rules.Commands;
 using Squidex.Domain.Apps.Entities.Rules.Repositories;
@@ -282,6 +283,31 @@ namespace Squidex.Areas.Api.Controllers.Rules
             return NoContent();
         }
 
+        /// <summary>
+        /// Simulate a rule.
+        /// </summary>
+        /// <param name="app">The name of the app.</param>
+        /// <param name="request">The rule to simulate.</param>
+        /// <returns>
+        /// 200 => Rule simulated.
+        /// 404 => Rule or app not found.
+        /// </returns>
+        [HttpPost]
+        [Route("apps/{app}/rules/simulate/")]
+        [ProducesResponseType(typeof(SimulatedRuleEventsDto), StatusCodes.Status200OK)]
+        [ApiPermissionOrAnonymous(Permissions.AppRulesEvents)]
+        [ApiCosts(5)]
+        public async Task<IActionResult> Simulate(string app, [FromBody] CreateRuleDto request)
+        {
+            var rule = request.ToRule();
+
+            var simulation = await ruleRunnerService.SimulateAsync(App.NamedId(), DomainId.Empty, rule, HttpContext.RequestAborted);
+
+            var response = SimulatedRuleEventsDto.FromDomain(simulation);
+
+            return Ok(response);
+        }
+
         /// <summary>
         /// Simulate a rule.
         /// </summary>
diff --git a/frontend/src/app/features/administration/state/users.state.ts b/frontend/src/app/features/administration/state/users.state.ts
index b326e8043..17e181e52 100644
--- a/frontend/src/app/features/administration/state/users.state.ts
+++ b/frontend/src/app/features/administration/state/users.state.ts
@@ -88,7 +88,9 @@ export class UsersState extends State<Snapshot> {
 
     public load(isReload = false, update: Partial<Snapshot> = {}): Observable<any> {
         if (!isReload) {
-            this.resetState({ selectedUser: this.snapshot.selectedUser, ...update }, 'Loading Initial');
+            const { selectedUser } = this.snapshot;
+
+            this.resetState({ selectedUser, ...update }, 'Loading Initial');
         }
 
         return this.loadInternal(isReload);
diff --git a/frontend/src/app/features/rules/pages/messages.ts b/frontend/src/app/features/rules/pages/messages.ts
new file mode 100644
index 000000000..5d8381891
--- /dev/null
+++ b/frontend/src/app/features/rules/pages/messages.ts
@@ -0,0 +1,14 @@
+/*
+ * Squidex Headless CMS
+ *
+ * @license
+ * Copyright (c) Squidex UG (haftungsbeschränkt). All rights reserved.
+ */
+
+export class RuleConfigured {
+    constructor(
+        public readonly trigger: any, 
+        public readonly action: any,
+    ) {
+    }
+}
diff --git a/frontend/src/app/features/rules/pages/rule/rule-page.component.ts b/frontend/src/app/features/rules/pages/rule/rule-page.component.ts
index 5c955f068..4917f9f45 100644
--- a/frontend/src/app/features/rules/pages/rule/rule-page.component.ts
+++ b/frontend/src/app/features/rules/pages/rule/rule-page.component.ts
@@ -6,8 +6,11 @@
  */
 
 import { Component, OnInit } from '@angular/core';
+import { AbstractControl } from '@angular/forms';
 import { ActivatedRoute, Router } from '@angular/router';
-import { ActionForm, ALL_TRIGGERS, ResourceOwner, RuleDto, RuleElementDto, RulesService, RulesState, SchemasState, TriggerForm } from '@app/shared';
+import { debounceTime, Subscription } from 'rxjs';
+import { ActionForm, ALL_TRIGGERS, MessageBus, ResourceOwner, RuleDto, RuleElementDto, RulesService, RulesState, SchemasState, TriggerForm, value$ } from '@app/shared';
+import { RuleConfigured } from '../messages';
 
 type ComponentState<T> = { type: string; values: any; form: T };
 
@@ -17,13 +20,16 @@ type ComponentState<T> = { type: string; values: any; form: T };
     templateUrl: './rule-page.component.html',
 })
 export class RulePageComponent extends ResourceOwner implements OnInit {
-    public supportedActions: { [name: string]: RuleElementDto } = {};
+    private currentTriggerSubscription?: Subscription;
+    private currentActionSubscription?: Subscription;
+
     public supportedTriggers = ALL_TRIGGERS;
+    public supportedActions: { [name: string]: RuleElementDto } = {};
 
     public rule?: RuleDto | null;
 
-    public currentAction?: ComponentState<ActionForm>;
     public currentTrigger?: ComponentState<TriggerForm>;
+    public currentAction?: ComponentState<ActionForm>;
 
     public isEnabled = false;
     public isEditable = false;
@@ -44,6 +50,7 @@ export class RulePageComponent extends ResourceOwner implements OnInit {
         public readonly rulesState: RulesState,
         public readonly rulesService: RulesService,
         public readonly schemasState: SchemasState,
+        private readonly messageBus: MessageBus,
         private readonly route: ActivatedRoute,
         private readonly router: Router,
     ) {
@@ -91,6 +98,8 @@ export class RulePageComponent extends ResourceOwner implements OnInit {
 
             this.currentAction = { form, type, values };
             this.currentAction.form.setEnabled(this.isEditable);
+            this.currentActionSubscription?.unsubscribe();
+            this.currentActionSubscription = this.subscribe(form.form);
         }
 
         this.currentAction!.form.load(values);
@@ -102,11 +111,17 @@ export class RulePageComponent extends ResourceOwner implements OnInit {
 
             this.currentTrigger = { form, type, values };
             this.currentTrigger.form.setEnabled(this.isEditable);
+            this.currentTriggerSubscription?.unsubscribe();
+            this.currentTriggerSubscription = this.subscribe(form.form);
         }
 
         this.currentTrigger.form.load(values);
     }
 
+    private subscribe(form: AbstractControl) {
+        return value$(form).pipe(debounceTime(100)).subscribe(() => this.publishState());
+    }
+
     public resetAction() {
         this.currentAction = undefined;
     }
@@ -163,6 +178,20 @@ export class RulePageComponent extends ResourceOwner implements OnInit {
         }
     }
 
+    private publishState() {
+        if (!this.currentAction || !this.currentTrigger) {
+            return;
+        }
+
+        if (!this.currentAction.form.form.valid || !this.currentTrigger.form.form.valid) {  
+            return;
+        }
+
+        this.messageBus.emit(new RuleConfigured(
+            this.currentTrigger.form.getValue(),
+            this.currentAction.form.getValue()));
+    }
+
     private submitCompleted() {
         this.currentAction?.form.submitCompleted({ noReset: true });
         this.currentTrigger?.form.submitCompleted({ noReset: true });
diff --git a/frontend/src/app/features/rules/pages/simulator/rule-simulator-page.component.html b/frontend/src/app/features/rules/pages/simulator/rule-simulator-page.component.html
index 727e12734..a57edefb3 100644
--- a/frontend/src/app/features/rules/pages/simulator/rule-simulator-page.component.html
+++ b/frontend/src/app/features/rules/pages/simulator/rule-simulator-page.component.html
@@ -25,9 +25,9 @@
                     </tr>
                 </thead>
 
-                <tbody *ngFor="let event of ruleSimulatorState.simulatedRuleEvents | async"
+                <tbody *ngFor="let event of ruleSimulatorState.simulatedRuleEvents | async; trackBy: trackByEvent"
                     [sqxSimulatedRuleEvent]="event"
-                    [expanded]="event === selectedRuleEvent"
+                    [expanded]="event.eventId === selectedRuleEvent"
                     (expandedChange)="selectEvent(event)">
                 </tbody>
             </table>
diff --git a/frontend/src/app/features/rules/pages/simulator/rule-simulator-page.component.ts b/frontend/src/app/features/rules/pages/simulator/rule-simulator-page.component.ts
index 633a76299..dce788290 100644
--- a/frontend/src/app/features/rules/pages/simulator/rule-simulator-page.component.ts
+++ b/frontend/src/app/features/rules/pages/simulator/rule-simulator-page.component.ts
@@ -7,7 +7,8 @@
 
 import { Component, OnInit } from '@angular/core';
 import { ActivatedRoute } from '@angular/router';
-import { ResourceOwner, RuleSimulatorState, SimulatedRuleEventDto } from '@app/shared';
+import { MessageBus, ResourceOwner, RuleSimulatorState, SimulatedRuleEventDto } from '@app/shared';
+import { RuleConfigured } from '../messages';
 
 @Component({
     selector: 'sqx-simulator-events-page',
@@ -15,16 +16,23 @@ import { ResourceOwner, RuleSimulatorState, SimulatedRuleEventDto } from '@app/s
     templateUrl: './rule-simulator-page.component.html',
 })
 export class RuleSimulatorPageComponent extends ResourceOwner implements OnInit {
-    public selectedRuleEvent?: SimulatedRuleEventDto | null;
+    public selectedRuleEvent?: string | null;
 
     constructor(
-        private route: ActivatedRoute,
         public readonly ruleSimulatorState: RuleSimulatorState,
+        private readonly route: ActivatedRoute,
+        private readonly messageBus: MessageBus,
     ) {
         super();
     }
 
     public ngOnInit() {
+        this.own(
+            this.messageBus.of(RuleConfigured)
+                .subscribe(message => {
+                    this.ruleSimulatorState.setRule(message.trigger, message.action);
+                }));
+
         this.own(
             this.route.queryParams
                 .subscribe(query => {
@@ -33,14 +41,18 @@ export class RuleSimulatorPageComponent extends ResourceOwner implements OnInit
     }
 
     public simulate() {
-        this.ruleSimulatorState.load();
+        this.ruleSimulatorState.load(true);
     }
 
     public selectEvent(event: SimulatedRuleEventDto) {
-        if (this.selectedRuleEvent === event) {
+        if (this.selectedRuleEvent === event.eventId) {
             this.selectedRuleEvent = null;
         } else {
-            this.selectedRuleEvent = event;
+            this.selectedRuleEvent = event.eventId;
         }
     }
+
+    public trackByEvent(_index: number, event: SimulatedRuleEventDto) {
+        return event.eventId;
+    }
 }
diff --git a/frontend/src/app/framework/angular/forms/model.ts b/frontend/src/app/framework/angular/forms/model.ts
index b10a93ca2..12d6bac1c 100644
--- a/frontend/src/app/framework/angular/forms/model.ts
+++ b/frontend/src/app/framework/angular/forms/model.ts
@@ -80,6 +80,10 @@ export class Form<T extends AbstractControl, TOut, TIn = TOut> {
         return value;
     }
 
+    public getValue() {
+        return this.transformSubmit(this.form.value);
+    }
+
     public load(value: Partial<TIn> | undefined) {
         this.state.resetState();
 
diff --git a/frontend/src/app/shared/services/rules.service.spec.ts b/frontend/src/app/shared/services/rules.service.spec.ts
index da0ffe492..eaa81261f 100644
--- a/frontend/src/app/shared/services/rules.service.spec.ts
+++ b/frontend/src/app/shared/services/rules.service.spec.ts
@@ -326,6 +326,33 @@ describe('RulesService', () => {
                 ]));
         }));
 
+    it('should make post request to get simulated rule events with action and trigger',
+        inject([RulesService, HttpTestingController], (rulesService: RulesService, httpMock: HttpTestingController) => {
+            let rules: SimulatedRuleEventsDto;
+
+            rulesService.postSimulatedEvents('my-app', {}, {}).subscribe(result => {
+                rules = result;
+            });
+
+            const req = httpMock.expectOne('http://service/p/api/apps/my-app/rules/simulate');
+
+            expect(req.request.method).toEqual('POST');
+
+            req.flush({
+                total: 20,
+                items: [
+                    simulatedRuleEventResponse(1),
+                    simulatedRuleEventResponse(2),
+                ],
+            });
+
+            expect(rules!).toEqual(
+                new SimulatedRuleEventsDto(20, [
+                    createSimulatedRuleEvent(1),
+                    createSimulatedRuleEvent(2),
+                ]));
+        }));
+
     it('should make put request to enqueue rule event',
         inject([RulesService, HttpTestingController], (rulesService: RulesService, httpMock: HttpTestingController) => {
             const resource: Resource = {
@@ -417,12 +444,12 @@ describe('RulesService', () => {
         return {
             id: `id${id}`,
             created: `${id % 1000 + 2000}-12-12T10:10:00Z`,
+            description: `event-url${key}`,
             eventName: `event-name${key}`,
-            nextAttempt: `${id % 1000 + 2000}-11-11T10:10`,
             jobResult: `Failed${key}`,
             lastDump: `event-dump${key}`,
+            nextAttempt: `${id % 1000 + 2000}-11-11T10:10`,
             numCalls: id,
-            description: `event-url${key}`,
             result: `Failed${key}`,
             _links: {
                 update: { method: 'PUT', href: `/rules/events/${id}` },
@@ -434,6 +461,7 @@ describe('RulesService', () => {
         const key = `${id}${suffix}`;
 
         return {
+            eventId: `id${key}`,
             eventName: `name${key}`,
             event: { value: 'simple' },
             enrichedEvent: { value: 'enriched' },
@@ -499,6 +527,7 @@ export function createSimulatedRuleEvent(id: number, suffix = '') {
     const key = `${id}${suffix}`;
 
     return new SimulatedRuleEventDto({},
+        `id${key}`,
         `name${key}`,
         { value: 'simple' },
         { value: 'enriched' },
diff --git a/frontend/src/app/shared/services/rules.service.ts b/frontend/src/app/shared/services/rules.service.ts
index 70c064fad..7ebde192a 100644
--- a/frontend/src/app/shared/services/rules.service.ts
+++ b/frontend/src/app/shared/services/rules.service.ts
@@ -198,6 +198,7 @@ export class SimulatedRuleEventDto {
     public readonly _links: ResourceLinks;
 
     constructor(links: ResourceLinks,
+        public readonly eventId: string,
         public readonly eventName: string,
         public readonly event: any,
         public readonly enrichedEvent: any | undefined,
@@ -360,6 +361,16 @@ export class RulesService {
             pretifyError('i18n:rules.ruleEvents.loadFailed'));
     }
 
+    public postSimulatedEvents(appName: string, trigger: any, action: any): Observable<SimulatedRuleEventsDto> {
+        const url = this.apiUrl.buildUrl(`api/apps/${appName}/rules/simulate`);
+
+        return this.http.post<any>(url, { trigger, action }).pipe(
+            map(body => {
+                return parseSimulatedEvents(body);
+            }),
+            pretifyError('i18n:rules.ruleEvents.loadFailed'));
+    }
+
     public enqueueEvent(appName: string, resource: Resource): Observable<any> {
         const link = resource._links['update'];
 
@@ -471,6 +482,7 @@ function parseRuleEvent(response: any) {
 
 function parseSimulatedRuleEvent(response: any) {
     return new SimulatedRuleEventDto(response._links,
+        response.eventId,
         response.eventName,
         response.event,
         response.enrichedEvent,
diff --git a/frontend/src/app/shared/state/rule-events.state.ts b/frontend/src/app/shared/state/rule-events.state.ts
index 28a5db6bb..4922f2c16 100644
--- a/frontend/src/app/shared/state/rule-events.state.ts
+++ b/frontend/src/app/shared/state/rule-events.state.ts
@@ -67,7 +67,9 @@ export class RuleEventsState extends State<Snapshot> {
 
     public load(isReload = false, update: Partial<Snapshot> = {}): Observable<any> {
         if (!isReload) {
-            this.resetState({ ruleId: this.snapshot.ruleId, ...update }, 'Loading Initial');
+            const { ruleId } = this.snapshot;
+
+            this.resetState({ ruleId, ...update }, 'Loading Initial');
         }
 
         return this.loadInternal(isReload);
diff --git a/frontend/src/app/shared/state/rule-simulator.state.spec.ts b/frontend/src/app/shared/state/rule-simulator.state.spec.ts
index ad1457d4f..9cdcdc36a 100644
--- a/frontend/src/app/shared/state/rule-simulator.state.spec.ts
+++ b/frontend/src/app/shared/state/rule-simulator.state.spec.ts
@@ -52,6 +52,21 @@ describe('RuleSimulatorState', () => {
         dialogs.verify(x => x.notifyInfo(It.isAnyString()), Times.never());
     });
 
+    it('should load simulated rule events by action and trigger', () => {
+        rulesService.setup(x => x.postSimulatedEvents(app, It.isAny(), It.isAny()))
+            .returns(() => of(new SimulatedRuleEventsDto(200, oldSimulatedRuleEvents)));
+
+        ruleSimulatorState.setRule({}, {});
+        ruleSimulatorState.load().subscribe();
+
+        expect(ruleSimulatorState.snapshot.simulatedRuleEvents).toEqual(oldSimulatedRuleEvents);
+        expect(ruleSimulatorState.snapshot.isLoaded).toBeTruthy();
+        expect(ruleSimulatorState.snapshot.isLoading).toBeFalsy();
+        expect(ruleSimulatorState.snapshot.total).toEqual(200);
+
+        dialogs.verify(x => x.notifyInfo(It.isAnyString()), Times.never());
+    });
+
     it('should reset loading state if loading failed', () => {
         rulesService.setup(x => x.getSimulatedEvents(app, '12'))
             .returns(() => throwError(() => 'Service Error'));
diff --git a/frontend/src/app/shared/state/rule-simulator.state.ts b/frontend/src/app/shared/state/rule-simulator.state.ts
index 7f517c861..c4ca96e22 100644
--- a/frontend/src/app/shared/state/rule-simulator.state.ts
+++ b/frontend/src/app/shared/state/rule-simulator.state.ts
@@ -18,6 +18,12 @@ interface Snapshot extends ListState {
 
     // The current rule id.
     ruleId?: string;
+
+    // The rule trigger.
+    trigger?: any;
+
+    // The rule action.
+    action?: any;
 }
 
 @Injectable()
@@ -57,22 +63,29 @@ export class RuleSimulatorState extends State<Snapshot> {
 
     public load(isReload = false): Observable<any> {
         if (!isReload) {
-            this.resetState({ ruleId: this.snapshot.ruleId }, 'Loading Initial');
+            const { action, ruleId, trigger } = this.snapshot;
+
+            this.resetState({ action, ruleId, trigger }, 'Loading Initial');
         }
 
         return this.loadInternal(isReload);
     }
 
     private loadInternal(isReload: boolean): Observable<any> {
-        if (!this.snapshot.ruleId) {
+        const { action, ruleId, trigger } = this.snapshot;
+
+        if (!ruleId && !trigger && !action) {
             return EMPTY;
         }
 
         this.next({ isLoading: true }, 'Loading Started');
 
-        const { ruleId } = this.snapshot;
+        const request =
+            action && trigger ?
+            this.rulesService.postSimulatedEvents(this.appName, trigger, action) :
+            this.rulesService.getSimulatedEvents(this.appName, ruleId!);
 
-        return this.rulesService.getSimulatedEvents(this.appName, ruleId!).pipe(
+        return request.pipe(
             tap(({ total, items: simulatedRuleEvents }) => {
                 if (isReload) {
                     this.dialogs.notifyInfo('i18n:rules.ruleEvents.reloaded');
@@ -94,4 +107,8 @@ export class RuleSimulatorState extends State<Snapshot> {
     public selectRule(ruleId?: string) {
         this.resetState({ ruleId }, 'Select Rule');
     }
+
+    public setRule(trigger: any, action: any) {
+        this.next({ trigger, action }, 'Set Rule');
+    }
 }
diff --git a/frontend/src/app/shared/state/rules.state.ts b/frontend/src/app/shared/state/rules.state.ts
index 0c1b4938a..1c9cdc77c 100644
--- a/frontend/src/app/shared/state/rules.state.ts
+++ b/frontend/src/app/shared/state/rules.state.ts
@@ -95,7 +95,9 @@ export class RulesState extends State<Snapshot> {
 
     public load(isReload = false): Observable<any> {
         if (!isReload) {
-            this.resetState({ selectedRule: this.snapshot.selectedRule }, 'Loading Initial');
+            const { selectedRule } = this.snapshot;
+
+            this.resetState({ selectedRule }, 'Loading Initial');
         }
 
         return this.loadInternal(isReload);