diff --git a/src/App.js b/src/App.js
index 375eb94..60ceae8 100644
--- a/src/App.js
+++ b/src/App.js
@@ -6,6 +6,7 @@ import AgentEventsPage from "./pages/AgentEventsPage";
 import NavBar from "./component/NavBar";
 import {useEffect, useState} from "react";
 import PageLocation from "./component/PageLocation";
+import {Level} from "./model/Level";
 
 function App() {
     const navigate = useNavigate();
@@ -42,8 +43,8 @@ function App() {
           <PageLocation agent={selectedAgent}/>
           <Routes className="content">
               <Route path="/agents" element={<HomePage files={files} loadAgentLog={loadAgentLog}/>}/>
-              <Route path="/agents/:agentName/implementation" exact element={<AgentEventsPage agent={selectedAgent} filter={""} level={"JASON"}/>}/>
-              <Route path="/agents/:agentName/design" exact element={<AgentEventsPage agent={selectedAgent} filter={""} level={"BDI"}/>}/>
+              <Route path="/agents/:agentName/implementation" exact element={<AgentEventsPage agent={selectedAgent} filter={""} level={Level.IMPLEMENTATION}/>}/>
+              <Route path="/agents/:agentName/design" exact element={<AgentEventsPage agent={selectedAgent} filter={""} level={Level.DESIGN}/>}/>
               <Route path="/" exact element={<UploadLogPage setLogFiles={setLogFiles}/>}/>
           </Routes>
       </div>
diff --git a/src/component/ControlForm.js b/src/component/ControlForm.js
index 427b40b..e990334 100644
--- a/src/component/ControlForm.js
+++ b/src/component/ControlForm.js
@@ -1,9 +1,19 @@
 import React from "react";
 import Form from 'react-bootstrap/Form';
 import {Col} from "react-bootstrap";
+import {useLocation, useNavigate} from "react-router-dom";
+import {Level} from "../model/Level";
 
 function ControlForm(props) {
 
+    const navigate = useNavigate();
+    const location = useLocation()
+    function selectLevel(ev) {
+        const level = ev.target.value
+        navigate(location.pathname.replace(/[^/]*$/, level))
+        props.selectLevel(level)
+    }
+
     return (
         <Form.Group className="row m-4" controlId="formBasicSelect">
             <Col sm={5}>
@@ -22,9 +32,9 @@ function ControlForm(props) {
             <Col sm={1}/>
             <Col sm={5}>
                 <Form.Label>Select the level:</Form.Label>
-                <Form.Select value={props.level} onChange={e => props.selectLevel(e.target.value)}>
-                    <option value="JASON">Implementation Level</option>
-                    <option value="BDI">Design Level</option>
+                <Form.Select value={props.level} onChange={selectLevel}>
+                    <option value={Level.IMPLEMENTATION}>{Level.IMPLEMENTATION} level</option>
+                    <option value={Level.DESIGN}>{Level.DESIGN} level</option>
                 </Form.Select>
             </Col>
 
diff --git a/src/component/PageLocation.js b/src/component/PageLocation.js
index f9bc694..0b89633 100644
--- a/src/component/PageLocation.js
+++ b/src/component/PageLocation.js
@@ -1,7 +1,7 @@
 import Breadcrumb from 'react-bootstrap/Breadcrumb';
 import {useLocation} from "react-router-dom";
 
-function PageLocation() {
+function PageLocation(props) {
 
     const location = useLocation().pathname
     const pathname = location.split("/").filter(p => p).map(p => p.charAt(0).toUpperCase() + p.slice(1))
@@ -11,7 +11,7 @@ function PageLocation() {
             <Breadcrumb className="m-1">
                 <Breadcrumb.Item href="#/">Home</Breadcrumb.Item>
                 {pathname.map((path, idx) => (
-                    <Breadcrumb.Item href={"#/" + pathname.slice(0, idx + 1).join("/").toLowerCase()} key={idx} active={idx === pathname.length - 1}>{path}</Breadcrumb.Item>
+                    <Breadcrumb.Item href={"#/" + pathname.slice(0, idx + 1).join("/").toLowerCase()} key={idx} active={path.toLowerCase() === props.agent.name || idx === pathname.length - 1}>{path}</Breadcrumb.Item>
                 ))}
             </Breadcrumb>
         );
diff --git a/src/component/event/EventMapping.js b/src/component/event/EventMapping.js
index 9b59c22..43230c4 100644
--- a/src/component/event/EventMapping.js
+++ b/src/component/event/EventMapping.js
@@ -1,67 +1,66 @@
-import PlanAdded from "./jason/planEvent/PlanAdded";
-import ExecutedDeed from "./jason/actionEvent/ExecutedDeed";
-import ExternalActionFinished from "./jason/actionEvent/ExternalActionFinished";
-import ExternalActionTriggered from "./jason/actionEvent/ExternalActionTriggered";
-import InternalActionFinished from "./jason/actionEvent/InternalActionFinished";
-import BeliefFromSrcAdded from "./jason/beliefEvent/BeliefFromSrcAdded";
-import BeliefAdded from "./jason/beliefEvent/BeliefAdded";
-import BeliefFromSrcRemoved from "./jason/beliefEvent/BeliefFromSrcRemoved";
-import BeliefRemoved from "./jason/beliefEvent/BeliefRemoved";
-import GoalCreated from "./jason/goalEvent/GoalCreated";
-import GoalRemoved from "./jason/goalEvent/GoalRemoved";
-import GoalSuspended from "./jason/goalEvent/GoalSuspended";
-import IntentionCreated from "./jason/intentionEvent/IntentionCreated";
-import IntentionRemoved from "./jason/intentionEvent/IntentionRemoved";
-import IntentionSuspended from "./jason/intentionEvent/IntentionSuspended";
-import IntentionUpdated from "./jason/intentionEvent/IntentionUpdated";
-import IntentionWaiting from "./jason/intentionEvent/IntentionWaiting";
-import NewPercept from "./jason/perceptEvent/NewPercept";
-import PlanRemoved from "./jason/planEvent/PlanRemoved";
-import SelectPlanEvent from "./jason/planEvent/SelectPlanEvent";
-import ReasoningCycleStarted from "./jason/reasoningCycleEvent/ReasoningCycleStarted";
-import NewAgentSignal from "./jason/signalEvent/NewAgentSignal";
-import NewArtifactSignal from "./jason/signalEvent/NewArtifactSignal";
-import MailBoxMessages from "./jason/speechActMessageEvent/MailBoxMessages";
-import NewSpeechActMessage from "./jason/speechActMessageEvent/NewSpeechActMessage";
-import SelectedMessage from "./jason/speechActMessageEvent/SelectedMessage";
-import SendMessage from "./jason/speechActMessageEvent/SendMessage";
-import PlanSelected from "./jason/goalEvent/PlanSelected";
-import NewDesire from "./bdi/NewDesire";
-import DesireCommitted from "./bdi/DesireCommitted";
-import DesireRemoved from "./bdi/DesireRemoved";
-import ExecutedAction from "./bdi/ExecutedAction";
-import BDIBeliefRemoved from "./bdi/BeliefRemoved";
-import NewBelief from "./bdi/NewBelief";
+import PlanAdded from "./implementation/planEvent/PlanAdded";
+import ExecutedDeed from "./implementation/actionEvent/ExecutedDeed";
+import ExternalActionFinished from "./implementation/actionEvent/ExternalActionFinished";
+import ExternalActionTriggered from "./implementation/actionEvent/ExternalActionTriggered";
+import InternalActionFinished from "./implementation/actionEvent/InternalActionFinished";
+import BeliefFromSrcAdded from "./implementation/beliefEvent/BeliefFromSrcAdded";
+import BeliefAdded from "./implementation/beliefEvent/BeliefAdded";
+import BeliefFromSrcRemoved from "./implementation/beliefEvent/BeliefFromSrcRemoved";
+import BeliefRemoved from "./implementation/beliefEvent/BeliefRemoved";
+import GoalCreated from "./implementation/goalEvent/GoalCreated";
+import GoalRemoved from "./implementation/goalEvent/GoalRemoved";
+import GoalSuspended from "./implementation/goalEvent/GoalSuspended";
+import IntentionCreated from "./implementation/intentionEvent/IntentionCreated";
+import IntentionRemoved from "./implementation/intentionEvent/IntentionRemoved";
+import IntentionSuspended from "./implementation/intentionEvent/IntentionSuspended";
+import IntentionUpdated from "./implementation/intentionEvent/IntentionUpdated";
+import IntentionWaiting from "./implementation/intentionEvent/IntentionWaiting";
+import NewPercept from "./implementation/perceptEvent/NewPercept";
+import PlanRemoved from "./implementation/planEvent/PlanRemoved";
+import SelectPlanEvent from "./implementation/planEvent/SelectPlanEvent";
+import ReasoningCycleStarted from "./implementation/reasoningCycleEvent/ReasoningCycleStarted";
+import NewAgentSignal from "./implementation/signalEvent/NewAgentSignal";
+import NewArtifactSignal from "./implementation/signalEvent/NewArtifactSignal";
+import MailBoxMessages from "./implementation/speechActMessageEvent/MailBoxMessages";
+import NewSpeechActMessage from "./implementation/speechActMessageEvent/NewSpeechActMessage";
+import SelectedMessage from "./implementation/speechActMessageEvent/SelectedMessage";
+import SendMessage from "./implementation/speechActMessageEvent/SendMessage";
+import PlanSelected from "./implementation/goalEvent/PlanSelected";
+import NewDesire from "./design/NewDesire";
+import DesireCommitted from "./design/DesireCommitted";
+import DesireRemoved from "./design/DesireRemoved";
+import ExecutedAction from "./design/ExecutedAction";
+import NewBelief from "./design/NewBelief";
 
 const EventMapping = {
-    ExecutedDeed: {JASON: <ExecutedDeed/>, BDI: <ExecutedAction/>},
-    ExternalActionFinished: {JASON: <ExternalActionFinished/>, BDI: <ExecutedAction/>},
-    ExternalActionTriggered: {JASON: <ExternalActionTriggered/>, BDI: <></>},
-    InternalActionFinished: {JASON: <InternalActionFinished/>, BDI: <ExecutedAction/>},
-    BeliefAdded: {JASON: <BeliefAdded/>, BDI: <NewBelief/>},
-    BeliefFromSrcAdded: {JASON: <BeliefFromSrcAdded/>, BDI: <></>},
-    BeliefFromSrcRemoved: {JASON: <BeliefFromSrcRemoved/>, BDI: <></>},
-    BeliefRemoved: {JASON: <BeliefRemoved/>, BDI: <BDIBeliefRemoved/>},
-    GoalCreated: {JASON: <GoalCreated/>, BDI: <NewDesire/>},
-    GoalRemoved: {JASON: <GoalRemoved/>, BDI: <DesireRemoved/>},
-    GoalSuspended: {JASON: <GoalSuspended/>, BDI: <></>},
-    PlanSelected: {JASON: <PlanSelected/>, BDI: <></>},
-    IntentionCreated: {JASON: <IntentionCreated/>, BDI: <></>},
-    IntentionRemoved: {JASON: <IntentionRemoved/>, BDI: <></>},
-    IntentionSuspended: {JASON: <IntentionSuspended/>, BDI: <></>},
-    IntentionUpdated: {JASON: <IntentionUpdated/>, BDI: <></>},
-    IntentionWaiting: {JASON: <IntentionWaiting/>, BDI: <></>},
-    NewPercept: {JASON: <NewPercept/>, BDI: <></>},
-    PlanAdded: {JASON: <PlanAdded/>, BDI: <></>},
-    PlanRemoved: {JASON: <PlanRemoved/>, BDI: <></>},
-    SelectPlanEvent: {JASON: <SelectPlanEvent/>, BDI: <DesireCommitted/>},
-    ReasoningCycleStarted: {JASON: <ReasoningCycleStarted/>, BDI:  <></>},
-    NewAgentSignal: {JASON: <NewAgentSignal/>, BDI: <></>},
-    NewArtifactSignal: {JASON: <NewArtifactSignal/>, BDI: <NewArtifactSignal/>},
-    MailBoxMessages: {JASON: <MailBoxMessages/>, BDI: <></>},
-    NewSpeechActMessage: {JASON: <NewSpeechActMessage/>, BDI: <NewSpeechActMessage/>},
-    SelectedMessage: {JASON: <SelectedMessage/>, BDI: <></>},
-    SendMessage: {JASON: <SendMessage/>, BDI: <SendMessage/>}
+    ExecutedDeed: {implementation: <ExecutedDeed/>, design: <ExecutedAction/>},
+    ExternalActionFinished: {implementation: <ExternalActionFinished/>, design: <ExecutedAction/>},
+    ExternalActionTriggered: {implementation: <ExternalActionTriggered/>, design: <></>},
+    InternalActionFinished: {implementation: <InternalActionFinished/>, design: <ExecutedAction/>},
+    BeliefAdded: {implementation: <BeliefAdded/>, design: <NewBelief/>},
+    BeliefFromSrcAdded: {implementation: <BeliefFromSrcAdded/>, design: <></>},
+    BeliefFromSrcRemoved: {implementation: <BeliefFromSrcRemoved/>, design: <></>},
+    BeliefRemoved: {implementation: <BeliefRemoved/>, design: <designBeliefRemoved/>},
+    GoalCreated: {implementation: <GoalCreated/>, design: <NewDesire/>},
+    GoalRemoved: {implementation: <GoalRemoved/>, design: <DesireRemoved/>},
+    GoalSuspended: {implementation: <GoalSuspended/>, design: <></>},
+    PlanSelected: {implementation: <PlanSelected/>, design: <></>},
+    IntentionCreated: {implementation: <IntentionCreated/>, design: <></>},
+    IntentionRemoved: {implementation: <IntentionRemoved/>, design: <></>},
+    IntentionSuspended: {implementation: <IntentionSuspended/>, design: <></>},
+    IntentionUpdated: {implementation: <IntentionUpdated/>, design: <></>},
+    IntentionWaiting: {implementation: <IntentionWaiting/>, design: <></>},
+    NewPercept: {implementation: <NewPercept/>, design: <></>},
+    PlanAdded: {implementation: <PlanAdded/>, design: <></>},
+    PlanRemoved: {implementation: <PlanRemoved/>, design: <></>},
+    SelectPlanEvent: {implementation: <SelectPlanEvent/>, design: <DesireCommitted/>},
+    ReasoningCycleStarted: {implementation: <ReasoningCycleStarted/>, design:  <></>},
+    NewAgentSignal: {implementation: <NewAgentSignal/>, design: <></>},
+    NewArtifactSignal: {implementation: <NewArtifactSignal/>, design: <NewArtifactSignal/>},
+    MailBoxMessages: {implementation: <MailBoxMessages/>, design: <></>},
+    NewSpeechActMessage: {implementation: <NewSpeechActMessage/>, design: <NewSpeechActMessage/>},
+    SelectedMessage: {implementation: <SelectedMessage/>, design: <></>},
+    SendMessage: {implementation: <SendMessage/>, design: <SendMessage/>}
 };
 
 export default EventMapping;
\ No newline at end of file
diff --git a/src/component/event/bdi/BeliefRemoved.js b/src/component/event/design/BeliefRemoved.js
similarity index 100%
rename from src/component/event/bdi/BeliefRemoved.js
rename to src/component/event/design/BeliefRemoved.js
diff --git a/src/component/event/bdi/DesireCommitted.js b/src/component/event/design/DesireCommitted.js
similarity index 100%
rename from src/component/event/bdi/DesireCommitted.js
rename to src/component/event/design/DesireCommitted.js
diff --git a/src/component/event/bdi/DesireRemoved.js b/src/component/event/design/DesireRemoved.js
similarity index 100%
rename from src/component/event/bdi/DesireRemoved.js
rename to src/component/event/design/DesireRemoved.js
diff --git a/src/component/event/bdi/ExecutedAction.js b/src/component/event/design/ExecutedAction.js
similarity index 100%
rename from src/component/event/bdi/ExecutedAction.js
rename to src/component/event/design/ExecutedAction.js
diff --git a/src/component/event/bdi/NewBelief.js b/src/component/event/design/NewBelief.js
similarity index 100%
rename from src/component/event/bdi/NewBelief.js
rename to src/component/event/design/NewBelief.js
diff --git a/src/component/event/bdi/NewDesire.js b/src/component/event/design/NewDesire.js
similarity index 100%
rename from src/component/event/bdi/NewDesire.js
rename to src/component/event/design/NewDesire.js
diff --git a/src/component/event/jason/actionEvent/ExecutedDeed.js b/src/component/event/implementation/actionEvent/ExecutedDeed.js
similarity index 100%
rename from src/component/event/jason/actionEvent/ExecutedDeed.js
rename to src/component/event/implementation/actionEvent/ExecutedDeed.js
diff --git a/src/component/event/jason/actionEvent/ExternalActionFinished.js b/src/component/event/implementation/actionEvent/ExternalActionFinished.js
similarity index 100%
rename from src/component/event/jason/actionEvent/ExternalActionFinished.js
rename to src/component/event/implementation/actionEvent/ExternalActionFinished.js
diff --git a/src/component/event/jason/actionEvent/ExternalActionTriggered.js b/src/component/event/implementation/actionEvent/ExternalActionTriggered.js
similarity index 100%
rename from src/component/event/jason/actionEvent/ExternalActionTriggered.js
rename to src/component/event/implementation/actionEvent/ExternalActionTriggered.js
diff --git a/src/component/event/jason/actionEvent/InternalActionFinished.js b/src/component/event/implementation/actionEvent/InternalActionFinished.js
similarity index 100%
rename from src/component/event/jason/actionEvent/InternalActionFinished.js
rename to src/component/event/implementation/actionEvent/InternalActionFinished.js
diff --git a/src/component/event/jason/beliefEvent/BeliefAdded.js b/src/component/event/implementation/beliefEvent/BeliefAdded.js
similarity index 100%
rename from src/component/event/jason/beliefEvent/BeliefAdded.js
rename to src/component/event/implementation/beliefEvent/BeliefAdded.js
diff --git a/src/component/event/jason/beliefEvent/BeliefFromSrcAdded.js b/src/component/event/implementation/beliefEvent/BeliefFromSrcAdded.js
similarity index 100%
rename from src/component/event/jason/beliefEvent/BeliefFromSrcAdded.js
rename to src/component/event/implementation/beliefEvent/BeliefFromSrcAdded.js
diff --git a/src/component/event/jason/beliefEvent/BeliefFromSrcRemoved.js b/src/component/event/implementation/beliefEvent/BeliefFromSrcRemoved.js
similarity index 100%
rename from src/component/event/jason/beliefEvent/BeliefFromSrcRemoved.js
rename to src/component/event/implementation/beliefEvent/BeliefFromSrcRemoved.js
diff --git a/src/component/event/jason/beliefEvent/BeliefRemoved.js b/src/component/event/implementation/beliefEvent/BeliefRemoved.js
similarity index 100%
rename from src/component/event/jason/beliefEvent/BeliefRemoved.js
rename to src/component/event/implementation/beliefEvent/BeliefRemoved.js
diff --git a/src/component/event/jason/goalEvent/GoalCreated.js b/src/component/event/implementation/goalEvent/GoalCreated.js
similarity index 100%
rename from src/component/event/jason/goalEvent/GoalCreated.js
rename to src/component/event/implementation/goalEvent/GoalCreated.js
diff --git a/src/component/event/jason/goalEvent/GoalRemoved.js b/src/component/event/implementation/goalEvent/GoalRemoved.js
similarity index 100%
rename from src/component/event/jason/goalEvent/GoalRemoved.js
rename to src/component/event/implementation/goalEvent/GoalRemoved.js
diff --git a/src/component/event/jason/goalEvent/GoalSuspended.js b/src/component/event/implementation/goalEvent/GoalSuspended.js
similarity index 100%
rename from src/component/event/jason/goalEvent/GoalSuspended.js
rename to src/component/event/implementation/goalEvent/GoalSuspended.js
diff --git a/src/component/event/jason/goalEvent/PlanSelected.js b/src/component/event/implementation/goalEvent/PlanSelected.js
similarity index 100%
rename from src/component/event/jason/goalEvent/PlanSelected.js
rename to src/component/event/implementation/goalEvent/PlanSelected.js
diff --git a/src/component/event/jason/intentionEvent/IntentionCreated.js b/src/component/event/implementation/intentionEvent/IntentionCreated.js
similarity index 100%
rename from src/component/event/jason/intentionEvent/IntentionCreated.js
rename to src/component/event/implementation/intentionEvent/IntentionCreated.js
diff --git a/src/component/event/jason/intentionEvent/IntentionRemoved.js b/src/component/event/implementation/intentionEvent/IntentionRemoved.js
similarity index 100%
rename from src/component/event/jason/intentionEvent/IntentionRemoved.js
rename to src/component/event/implementation/intentionEvent/IntentionRemoved.js
diff --git a/src/component/event/jason/intentionEvent/IntentionSuspended.js b/src/component/event/implementation/intentionEvent/IntentionSuspended.js
similarity index 100%
rename from src/component/event/jason/intentionEvent/IntentionSuspended.js
rename to src/component/event/implementation/intentionEvent/IntentionSuspended.js
diff --git a/src/component/event/jason/intentionEvent/IntentionUpdated.js b/src/component/event/implementation/intentionEvent/IntentionUpdated.js
similarity index 100%
rename from src/component/event/jason/intentionEvent/IntentionUpdated.js
rename to src/component/event/implementation/intentionEvent/IntentionUpdated.js
diff --git a/src/component/event/jason/intentionEvent/IntentionWaiting.js b/src/component/event/implementation/intentionEvent/IntentionWaiting.js
similarity index 100%
rename from src/component/event/jason/intentionEvent/IntentionWaiting.js
rename to src/component/event/implementation/intentionEvent/IntentionWaiting.js
diff --git a/src/component/event/jason/perceptEvent/NewPercept.js b/src/component/event/implementation/perceptEvent/NewPercept.js
similarity index 100%
rename from src/component/event/jason/perceptEvent/NewPercept.js
rename to src/component/event/implementation/perceptEvent/NewPercept.js
diff --git a/src/component/event/jason/planEvent/PlanAdded.js b/src/component/event/implementation/planEvent/PlanAdded.js
similarity index 100%
rename from src/component/event/jason/planEvent/PlanAdded.js
rename to src/component/event/implementation/planEvent/PlanAdded.js
diff --git a/src/component/event/jason/planEvent/PlanRemoved.js b/src/component/event/implementation/planEvent/PlanRemoved.js
similarity index 100%
rename from src/component/event/jason/planEvent/PlanRemoved.js
rename to src/component/event/implementation/planEvent/PlanRemoved.js
diff --git a/src/component/event/jason/planEvent/SelectPlanEvent.js b/src/component/event/implementation/planEvent/SelectPlanEvent.js
similarity index 100%
rename from src/component/event/jason/planEvent/SelectPlanEvent.js
rename to src/component/event/implementation/planEvent/SelectPlanEvent.js
diff --git a/src/component/event/jason/reasoningCycleEvent/ReasoningCycleStarted.js b/src/component/event/implementation/reasoningCycleEvent/ReasoningCycleStarted.js
similarity index 100%
rename from src/component/event/jason/reasoningCycleEvent/ReasoningCycleStarted.js
rename to src/component/event/implementation/reasoningCycleEvent/ReasoningCycleStarted.js
diff --git a/src/component/event/jason/signalEvent/NewAgentSignal.js b/src/component/event/implementation/signalEvent/NewAgentSignal.js
similarity index 100%
rename from src/component/event/jason/signalEvent/NewAgentSignal.js
rename to src/component/event/implementation/signalEvent/NewAgentSignal.js
diff --git a/src/component/event/jason/signalEvent/NewArtifactSignal.js b/src/component/event/implementation/signalEvent/NewArtifactSignal.js
similarity index 85%
rename from src/component/event/jason/signalEvent/NewArtifactSignal.js
rename to src/component/event/implementation/signalEvent/NewArtifactSignal.js
index 8894b24..6720cfc 100644
--- a/src/component/event/jason/signalEvent/NewArtifactSignal.js
+++ b/src/component/event/implementation/signalEvent/NewArtifactSignal.js
@@ -1,9 +1,10 @@
 import React from "react";
 import Event from "../../Event";
 import {agentState} from "../../../../model/agentState";
+import {Level} from "../../../../model/Level";
 
 function NewArtifactSignal(props) {
-    if (props.level === "JASON") {
+    if (props.level === Level.IMPLEMENTATION) {
         return (
             <div>
                 <Event type={props.event.message.type.replace(/\B([A-Z])\B/g, ' $1')}
diff --git a/src/component/event/jason/speechActMessageEvent/MailBoxMessages.js b/src/component/event/implementation/speechActMessageEvent/MailBoxMessages.js
similarity index 100%
rename from src/component/event/jason/speechActMessageEvent/MailBoxMessages.js
rename to src/component/event/implementation/speechActMessageEvent/MailBoxMessages.js
diff --git a/src/component/event/jason/speechActMessageEvent/NewSpeechActMessage.js b/src/component/event/implementation/speechActMessageEvent/NewSpeechActMessage.js
similarity index 91%
rename from src/component/event/jason/speechActMessageEvent/NewSpeechActMessage.js
rename to src/component/event/implementation/speechActMessageEvent/NewSpeechActMessage.js
index 62ed64b..6f940b5 100644
--- a/src/component/event/jason/speechActMessageEvent/NewSpeechActMessage.js
+++ b/src/component/event/implementation/speechActMessageEvent/NewSpeechActMessage.js
@@ -1,10 +1,11 @@
 import React from "react";
 import Event from "../../Event";
 import {agentState} from "../../../../model/agentState";
+import {Level} from "../../../../model/Level";
 
 function NewSpeechActMessage(props) {
 
-    if (props.level === "JASON") {
+    if (props.level === Level.IMPLEMENTATION) {
         return (
             <div>
                 <Event type={props.event.message.type.replace(/\B([A-Z])\B/g, ' $1')}
diff --git a/src/component/event/jason/speechActMessageEvent/SelectedMessage.js b/src/component/event/implementation/speechActMessageEvent/SelectedMessage.js
similarity index 100%
rename from src/component/event/jason/speechActMessageEvent/SelectedMessage.js
rename to src/component/event/implementation/speechActMessageEvent/SelectedMessage.js
diff --git a/src/component/event/jason/speechActMessageEvent/SendMessage.js b/src/component/event/implementation/speechActMessageEvent/SendMessage.js
similarity index 100%
rename from src/component/event/jason/speechActMessageEvent/SendMessage.js
rename to src/component/event/implementation/speechActMessageEvent/SendMessage.js
diff --git a/src/model/Level.js b/src/model/Level.js
new file mode 100644
index 0000000..36e3e05
--- /dev/null
+++ b/src/model/Level.js
@@ -0,0 +1,4 @@
+export const Level = {
+    IMPLEMENTATION: "implementation",
+    DESIGN: "design"
+}
\ No newline at end of file