diff --git a/src/Base/Enums/AbstractProcessEventType.php b/src/Base/Enums/AbstractProcessEventType.php
new file mode 100644
index 0000000..b89e457
--- /dev/null
+++ b/src/Base/Enums/AbstractProcessEventType.php
@@ -0,0 +1,9 @@
+<?php
+namespace App\Base\Enums;
+
+/**
+ */
+abstract class AbstractProcessEventType extends AbstractEnum
+{
+
+}
diff --git a/src/Base/Enums/AbstractProcessState.php b/src/Base/Enums/AbstractProcessState.php
new file mode 100644
index 0000000..0e6bbf9
--- /dev/null
+++ b/src/Base/Enums/AbstractProcessState.php
@@ -0,0 +1,9 @@
+<?php
+namespace App\Base\Enums;
+
+/**
+ */
+abstract class AbstractProcessState extends AbstractEnum
+{
+
+}
diff --git a/src/Base/Enums/PoiState.php b/src/Base/Enums/PoiState.php
new file mode 100644
index 0000000..2f10ac8
--- /dev/null
+++ b/src/Base/Enums/PoiState.php
@@ -0,0 +1,12 @@
+<?php
+namespace App\Base\Enums;
+
+/**
+ * @method static QuestState STARTED()
+ */
+class PoiState extends AbstractProcessState
+{
+
+    const STARTED = 'started';
+
+}
diff --git a/src/Base/Enums/QuestState.php b/src/Base/Enums/QuestState.php
new file mode 100644
index 0000000..4b27a0f
--- /dev/null
+++ b/src/Base/Enums/QuestState.php
@@ -0,0 +1,20 @@
+<?php
+namespace App\Base\Enums;
+
+/**
+ * @method static QuestState STARTED()
+ * @method static QuestState PLAYING()
+ * @method static QuestState PAUSED()
+ * @method static QuestState FINISHED()
+ * @method static QuestState ENDED()
+ */
+class QuestState extends AbstractProcessState
+{
+
+    const STARTED = 'started';
+    const PLAYING = 'playing';
+    const PAUSED = 'paused';
+    const FINISHED = 'finished';
+    const ENDED = 'ended';
+
+}
diff --git a/src/Base/Enums/StepState.php b/src/Base/Enums/StepState.php
new file mode 100644
index 0000000..66eb810
--- /dev/null
+++ b/src/Base/Enums/StepState.php
@@ -0,0 +1,12 @@
+<?php
+namespace App\Base\Enums;
+
+/**
+ * @method static QuestState STARTED()
+ */
+class StepState extends AbstractProcessState
+{
+
+    const STARTED = 'started';
+
+}
diff --git a/src/Process/EventInStateHandlerInterface.php b/src/Process/EventInStateHandlerInterface.php
new file mode 100644
index 0000000..fdbe6fe
--- /dev/null
+++ b/src/Process/EventInStateHandlerInterface.php
@@ -0,0 +1,9 @@
+<?php
+namespace App\Process;
+
+interface EventInStateHandlerInterface extends ResponsibleForEventInerface, StateHandlerInterface
+{
+
+
+
+}
\ No newline at end of file
diff --git a/src/Process/EventListenerInterface.php b/src/Process/EventListenerInterface.php
new file mode 100644
index 0000000..dd1b188
--- /dev/null
+++ b/src/Process/EventListenerInterface.php
@@ -0,0 +1,12 @@
+<?php
+namespace App\Process;
+
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+
+interface EventListenerInterface
+{
+
+    function handle(Event $event, string $eventName, EventDispatcherInterface $eventDispatcher);
+
+}
diff --git a/src/Base/Enums/empty b/src/Process/Events/empty
similarity index 100%
rename from src/Base/Enums/empty
rename to src/Process/Events/empty
diff --git a/src/Services/empty b/src/Process/Handlers/Quest/Access/empty
similarity index 100%
rename from src/Services/empty
rename to src/Process/Handlers/Quest/Access/empty
diff --git a/src/Process/Handlers/Quest/AccessFailedHandler.php b/src/Process/Handlers/Quest/AccessFailedHandler.php
new file mode 100644
index 0000000..4b762c0
--- /dev/null
+++ b/src/Process/Handlers/Quest/AccessFailedHandler.php
@@ -0,0 +1,33 @@
+<?php
+namespace App\Services\Process\Internal\Handlers\Quest;
+
+use App\Base\Enums\AbstractProcessEventType;
+use App\Base\Enums\AbstractProcessState;
+use App\Process\EventInStateHandlerInterface;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+
+/**
+ * Class AccessFailedHandler implements EventInStateHandlerInterface
+ *
+ * @package App\Services\Process\Internal\Handlers\Quest
+ * @author Ilya Khanataev <contact@mevatex.com>
+ */
+class AccessFailedHandler implements EventInStateHandlerInterface
+{
+
+    function isResponsibleFor(AbstractProcessEventType $processEvent)
+    {
+        // TODO: Implement isResponsibleFor() method.
+    }
+
+    function handle(
+        AbstractProcessState $processState,
+        Event $event,
+        string $eventType,
+        EventDispatcherInterface $eventDispatcher
+    ) {
+        // TODO: Implement handle() method.
+    }
+
+}
diff --git a/src/Process/Handlers/Quest/AccessProcessingHandler.php b/src/Process/Handlers/Quest/AccessProcessingHandler.php
new file mode 100644
index 0000000..2e4a579
--- /dev/null
+++ b/src/Process/Handlers/Quest/AccessProcessingHandler.php
@@ -0,0 +1,33 @@
+<?php
+namespace App\Services\Process\Internal\Handlers\Quest;
+
+use App\Base\Enums\AbstractProcessEventType;
+use App\Base\Enums\AbstractProcessState;
+use App\Process\EventInStateHandlerInterface;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+
+/**
+ * Class AccessProcessingHandler implements EventInStateHandlerInterface
+ *
+ * @package App\Services\Process\Internal\Handlers\Quest
+ * @author Ilya Khanataev <contact@mevatex.com>
+ */
+class AccessProcessingHandler implements EventInStateHandlerInterface
+{
+
+    function isResponsibleFor(AbstractProcessEventType $processEvent)
+    {
+        // TODO: Implement isResponsibleFor() method.
+    }
+
+    function handle(
+        AbstractProcessState $processState,
+        Event $event,
+        string $eventType,
+        EventDispatcherInterface $eventDispatcher
+    ) {
+        // TODO: Implement handle() method.
+    }
+
+}
diff --git a/src/Process/Handlers/Quest/CompletedHandler.php b/src/Process/Handlers/Quest/CompletedHandler.php
new file mode 100644
index 0000000..18719e4
--- /dev/null
+++ b/src/Process/Handlers/Quest/CompletedHandler.php
@@ -0,0 +1,33 @@
+<?php
+namespace App\Services\Process\Internal\Handlers\Quest;
+
+use App\Base\Enums\AbstractProcessEventType;
+use App\Base\Enums\AbstractProcessState;
+use App\Process\EventInStateHandlerInterface;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+
+/**
+ * Class CompletedHandler implements EventInStateHandlerInterface
+ *
+ * @package App\Services\Process\Internal\Handlers\Quest
+ * @author Ilya Khanataev <contact@mevatex.com>
+ */
+class CompletedHandler implements EventInStateHandlerInterface
+{
+
+    function isResponsibleFor(AbstractProcessEventType $processEvent)
+    {
+        // TODO: Implement isResponsibleFor() method.
+    }
+
+    function handle(
+        AbstractProcessState $processState,
+        Event $event,
+        string $eventType,
+        EventDispatcherInterface $eventDispatcher
+    ) {
+        // TODO: Implement handle() method.
+    }
+
+}
diff --git a/src/Process/Handlers/Quest/Completion/empty b/src/Process/Handlers/Quest/Completion/empty
new file mode 100644
index 0000000..e69de29
diff --git a/src/Process/Handlers/Quest/FinishedHandler.php b/src/Process/Handlers/Quest/FinishedHandler.php
new file mode 100644
index 0000000..877ddf3
--- /dev/null
+++ b/src/Process/Handlers/Quest/FinishedHandler.php
@@ -0,0 +1,33 @@
+<?php
+namespace App\Services\Process\Internal\Handlers\Quest;
+
+use App\Base\Enums\AbstractProcessEventType;
+use App\Base\Enums\AbstractProcessState;
+use App\Process\EventInStateHandlerInterface;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+
+/**
+ * Class FinishedHandler implements EventInStateHandlerInterface
+ *
+ * @package App\Services\Process\Internal\Handlers\Quest
+ * @author Ilya Khanataev <contact@mevatex.com>
+ */
+class FinishedHandler implements EventInStateHandlerInterface
+{
+
+    function isResponsibleFor(AbstractProcessEventType $processEvent)
+    {
+        // TODO: Implement isResponsibleFor() method.
+    }
+
+    function handle(
+        AbstractProcessState $processState,
+        Event $event,
+        string $eventType,
+        EventDispatcherInterface $eventDispatcher
+    ) {
+        // TODO: Implement handle() method.
+    }
+
+}
diff --git a/src/Process/Handlers/Quest/PlayingHandler.php b/src/Process/Handlers/Quest/PlayingHandler.php
new file mode 100644
index 0000000..d17b4fd
--- /dev/null
+++ b/src/Process/Handlers/Quest/PlayingHandler.php
@@ -0,0 +1,33 @@
+<?php
+namespace App\Services\Process\Internal\Handlers\Quest;
+
+use App\Base\Enums\AbstractProcessEventType;
+use App\Base\Enums\AbstractProcessState;
+use App\Process\EventInStateHandlerInterface;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+
+/**
+ * Class PlayingHandler implements EventInStateHandlerInterface
+ *
+ * @package App\Services\Process\Internal\Handlers\Quest
+ * @author Ilya Khanataev <contact@mevatex.com>
+ */
+class PlayingHandler implements EventInStateHandlerInterface
+{
+
+    function isResponsibleFor(AbstractProcessEventType $processEvent)
+    {
+        // TODO: Implement isResponsibleFor() method.
+    }
+
+    function handle(
+        AbstractProcessState $processState,
+        Event $event,
+        string $eventType,
+        EventDispatcherInterface $eventDispatcher
+    ) {
+        // TODO: Implement handle() method.
+    }
+
+}
diff --git a/src/Process/Handlers/Quest/Poi/StartedHandler.php b/src/Process/Handlers/Quest/Poi/StartedHandler.php
new file mode 100644
index 0000000..78966bf
--- /dev/null
+++ b/src/Process/Handlers/Quest/Poi/StartedHandler.php
@@ -0,0 +1,33 @@
+<?php
+namespace App\Services\Process\Internal\Handlers\Quest;
+
+use App\Base\Enums\AbstractProcessEventType;
+use App\Base\Enums\AbstractProcessState;
+use App\Process\EventInStateHandlerInterface;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+
+/**
+ * Class StartedHandler implements EventInStateHandlerInterface
+ *
+ * @package App\Services\Process\Internal\Handlers\Quest
+ * @author Ilya Khanataev <contact@mevatex.com>
+ */
+class StartedHandler implements EventInStateHandlerInterface
+{
+
+    function isResponsibleFor(AbstractProcessEventType $processEvent)
+    {
+        // TODO: Implement isResponsibleFor() method.
+    }
+
+    function handle(
+        AbstractProcessState $processState,
+        Event $event,
+        string $eventName,
+        EventDispatcherInterface $eventDispatcher
+    ) {
+        // TODO: Implement handle() method.
+    }
+
+}
diff --git a/src/Process/Handlers/Quest/Poi/Step/StartedHandler.php b/src/Process/Handlers/Quest/Poi/Step/StartedHandler.php
new file mode 100644
index 0000000..78966bf
--- /dev/null
+++ b/src/Process/Handlers/Quest/Poi/Step/StartedHandler.php
@@ -0,0 +1,33 @@
+<?php
+namespace App\Services\Process\Internal\Handlers\Quest;
+
+use App\Base\Enums\AbstractProcessEventType;
+use App\Base\Enums\AbstractProcessState;
+use App\Process\EventInStateHandlerInterface;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+
+/**
+ * Class StartedHandler implements EventInStateHandlerInterface
+ *
+ * @package App\Services\Process\Internal\Handlers\Quest
+ * @author Ilya Khanataev <contact@mevatex.com>
+ */
+class StartedHandler implements EventInStateHandlerInterface
+{
+
+    function isResponsibleFor(AbstractProcessEventType $processEvent)
+    {
+        // TODO: Implement isResponsibleFor() method.
+    }
+
+    function handle(
+        AbstractProcessState $processState,
+        Event $event,
+        string $eventName,
+        EventDispatcherInterface $eventDispatcher
+    ) {
+        // TODO: Implement handle() method.
+    }
+
+}
diff --git a/src/Process/Handlers/Quest/StartedHandler.php b/src/Process/Handlers/Quest/StartedHandler.php
new file mode 100644
index 0000000..f3ee8ed
--- /dev/null
+++ b/src/Process/Handlers/Quest/StartedHandler.php
@@ -0,0 +1,33 @@
+<?php
+namespace App\Services\Process\Internal\Handlers\Quest;
+
+use App\Base\Enums\AbstractProcessEventType;
+use App\Base\Enums\AbstractProcessState;
+use App\Process\EventInStateHandlerInterface;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+
+/**
+ * Class StartedHandler implements EventInStateHandlerInterface
+ *
+ * @package App\Services\Process\Internal\Handlers\Quest
+ * @author Ilya Khanataev <contact@mevatex.com>
+ */
+class StartedHandler implements EventInStateHandlerInterface
+{
+
+    function isResponsibleFor(AbstractProcessEventType $processEvent)
+    {
+        // TODO: Implement isResponsibleFor() method.
+    }
+
+    function handle(
+        AbstractProcessState $processState,
+        Event $event,
+        string $eventType,
+        EventDispatcherInterface $eventDispatcher
+    ) {
+        // TODO: Implement handle() method.
+    }
+
+}
diff --git a/src/Process/Listeners/PoiHandler.php b/src/Process/Listeners/PoiHandler.php
new file mode 100644
index 0000000..f9becb0
--- /dev/null
+++ b/src/Process/Listeners/PoiHandler.php
@@ -0,0 +1,18 @@
+<?php
+namespace App\Process\Listeners;
+
+use App\Base\Enums\AbstractProcessEventType;
+use App\Base\Enums\AbstractProcessState;
+use App\Process\StateHandlerInterface;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+
+class PoiHandler implements StateHandlerInterface
+{
+
+    public function handle(AbstractProcessState $processState, Event $event, AbstractProcessEventType $eventType, EventDispatcherInterface $eventDispatcher)
+    {
+        // TODO: Implement handle() method.
+    }
+
+}
diff --git a/src/Process/Listeners/QuestHandler.php b/src/Process/Listeners/QuestHandler.php
new file mode 100644
index 0000000..3b099fe
--- /dev/null
+++ b/src/Process/Listeners/QuestHandler.php
@@ -0,0 +1,17 @@
+<?php
+namespace App\Process\Listeners;
+
+use App\Base\Enums\AbstractProcessState;
+use App\Process\StateHandlerInterface;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+
+class QuestHandler implements StateHandlerInterface
+{
+
+    public function handle(AbstractProcessState $processState, Event $event, string $eventType, EventDispatcherInterface $eventDispatcher)
+    {
+        // TODO: Implement handle() method.
+    }
+
+}
diff --git a/src/Process/Listeners/StepHandler.php b/src/Process/Listeners/StepHandler.php
new file mode 100644
index 0000000..579a0c1
--- /dev/null
+++ b/src/Process/Listeners/StepHandler.php
@@ -0,0 +1,26 @@
+<?php
+namespace App\Process\Listeners;
+
+use App\Base\Enums\AbstractProcessEventType;
+use App\Base\Enums\AbstractProcessState;
+use App\Process\EventInStateHandlerInterface;
+use App\Process\StateHandlerInterface;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+
+class StepHandler implements StateHandlerInterface
+{
+
+    /** @var EventInStateHandlerInterface[] */
+    private $eventInStateHandlers;
+
+    public function handle(AbstractProcessState $processState, Event $event, AbstractProcessEventType $eventType, EventDispatcherInterface $eventDispatcher)
+    {
+        foreach ($this->eventInStateHandlers as $handler) {
+            if ($handler->isResponsibleFor($eventType)) {
+                $handler->handle($processState, $event, $eventType, $eventDispatcher);
+            }
+        }
+    }
+
+}
diff --git a/src/Process/ProcessHandler.php b/src/Process/ProcessHandler.php
new file mode 100644
index 0000000..9a21e4e
--- /dev/null
+++ b/src/Process/ProcessHandler.php
@@ -0,0 +1,47 @@
+<?php
+namespace App\Process;
+
+use App\Base\Enums\AbstractProcessEventType;
+use App\Process\Listeners\PoiHandler;
+use App\Process\Listeners\QuestHandler;
+use App\Process\Listeners\StepHandler;
+use App\Services\Process\StateManagingServiceInterface;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+
+class ProcessHandler implements EventListenerInterface
+{
+
+    /** @var StateManagingServiceInterface */
+    private $stateManagingService;
+    /** @var EventInStateHandlerInterface[] */
+    private $handlers;
+
+    public function __construct(StateManagingServiceInterface $stateManagingService)
+    {
+        $this->stateManagingService = $stateManagingService;
+
+        $this->handlers = [
+            'step' => new StepHandler(),
+            'poi' => new PoiHandler(),
+            'quest' => new QuestHandler(),
+        ];
+    }
+
+    public function handle(Event $event, string $eventName, EventDispatcherInterface $eventDispatcher)
+    {
+        $eventType = AbstractProcessEventType::search($eventName);
+
+        $currentStepState = $this->stateManagingService->detectStepState();
+        $currentPoiState = $this->stateManagingService->detectPoiState();
+        $currentQuestState = $this->stateManagingService->detectQuestState();
+        $currentFullState = $this->stateManagingService->detectFullState();
+
+        $this->handlers['step']->handle($currentStepState, $event, $eventType, $eventDispatcher);
+        $this->handlers['poi']->handle($currentPoiState, $event, $eventType, $eventDispatcher);
+        $this->handlers['quest']->handle($currentQuestState, $event, $eventType, $eventDispatcher);
+
+    }
+
+
+}
\ No newline at end of file
diff --git a/src/Process/ResponsibleForEventInerface.php b/src/Process/ResponsibleForEventInerface.php
new file mode 100644
index 0000000..9dfdb3a
--- /dev/null
+++ b/src/Process/ResponsibleForEventInerface.php
@@ -0,0 +1,11 @@
+<?php
+namespace App\Process;
+
+use App\Base\Enums\AbstractProcessEventType;
+
+interface ResponsibleForEventInerface
+{
+
+    function isResponsibleFor(AbstractProcessEventType $processEvent);
+
+}
\ No newline at end of file
diff --git a/src/Process/StateHandlerInterface.php b/src/Process/StateHandlerInterface.php
new file mode 100644
index 0000000..72ed363
--- /dev/null
+++ b/src/Process/StateHandlerInterface.php
@@ -0,0 +1,14 @@
+<?php
+namespace App\Process;
+
+use App\Base\Enums\AbstractProcessEventType;
+use App\Base\Enums\AbstractProcessState;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+
+interface StateHandlerInterface
+{
+
+    function handle(AbstractProcessState $processState, Event $event, AbstractProcessEventType $eventType, EventDispatcherInterface $eventDispatcher);
+
+}
\ No newline at end of file