diff --git a/Tasks/src/main/java/fr/altarik/toolbox/task/PeriodicTaskI.java b/Tasks/src/main/java/fr/altarik/toolbox/task/PeriodicTaskI.java
index 2a7cd48..fd65aa2 100644
--- a/Tasks/src/main/java/fr/altarik/toolbox/task/PeriodicTaskI.java
+++ b/Tasks/src/main/java/fr/altarik/toolbox/task/PeriodicTaskI.java
@@ -10,5 +10,5 @@ public interface PeriodicTaskI extends TaskI {
      * @throws InterruptedException When executed asynchronously, task may be interrupted
      * @see fr.altarik.toolbox.task.sync.PeriodicSyncTask
      */
-    public void addTask(AltarikRunnable function, long delay, long period) throws InterruptedException;
+    void addTask(AltarikRunnable function, long delay, long period) throws InterruptedException;
 }
diff --git a/Tasks/src/main/java/fr/altarik/toolbox/task/SendTaskWorkerI.java b/Tasks/src/main/java/fr/altarik/toolbox/task/SendTaskWorkerI.java
index 01f354d..247ff5b 100644
--- a/Tasks/src/main/java/fr/altarik/toolbox/task/SendTaskWorkerI.java
+++ b/Tasks/src/main/java/fr/altarik/toolbox/task/SendTaskWorkerI.java
@@ -2,5 +2,10 @@ package fr.altarik.toolbox.task;
 
 public interface SendTaskWorkerI {
 
+    /**
+     * Internal use for scheduler, do not use.
+     * Scheduler use this method to send the task to execute to worker
+     * @param task task to execute now
+     */
     void sendTask(AltarikRunnable task);
 }
diff --git a/Tasks/src/main/java/fr/altarik/toolbox/task/Task.java b/Tasks/src/main/java/fr/altarik/toolbox/task/Task.java
index b88d067..c9b8129 100644
--- a/Tasks/src/main/java/fr/altarik/toolbox/task/Task.java
+++ b/Tasks/src/main/java/fr/altarik/toolbox/task/Task.java
@@ -1,15 +1,50 @@
 package fr.altarik.toolbox.task;
 
+import fr.altarik.toolbox.task.async.AsyncPeriodicTasks;
+import fr.altarik.toolbox.task.async.AsyncTaskI;
 import fr.altarik.toolbox.task.async.AsyncTasks;
+import fr.altarik.toolbox.task.sync.PeriodicSyncTask;
 import net.fabricmc.api.ModInitializer;
 
 public class Task implements ModInitializer {
 
-    public TaskI asyncWorkers = AsyncTasks.initialize();
+    public final TaskI asyncWorkers = AsyncTasks.initialize();
+    public final PeriodicTaskI periodicSyncTask = PeriodicSyncTask.initialize();
+
+    public final AsyncTaskI asyncTasks = AsyncTasks.initialize();
+
+    public final PeriodicTaskI periodicAsyncTask = AsyncPeriodicTasks.initialize();
 
     @Override
     public void onInitialize() {
-
+        /*try {
+            asyncWorkers.addTask(new AltarikRunnable() {
+                @Override
+                public void run() {
+                    System.out.println("Hello world 1");
+                }
+            });
+            periodicSyncTask.addTask(new AltarikRunnable() {
+                @Override
+                public void run() {
+                    System.out.println("Hello world 2");
+                }
+            }, 40, 60);
+            asyncTasks.addTask(new AltarikRunnable() {
+                @Override
+                public void run() {
+                    System.out.println("Hello world 3 : " + Thread.currentThread().getName());
+                }
+            });
+            periodicAsyncTask.addTask(new AltarikRunnable() {
+                @Override
+                public void run() {
+                    System.out.println("Hello world 4 : " + Thread.currentThread().getName());
+                }
+            }, 60, 80);
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }*/
     }
 
     public TaskI getAsyncWorkers() {
diff --git a/Tasks/src/main/java/fr/altarik/toolbox/task/TaskI.java b/Tasks/src/main/java/fr/altarik/toolbox/task/TaskI.java
index 2f668a8..6a22e48 100644
--- a/Tasks/src/main/java/fr/altarik/toolbox/task/TaskI.java
+++ b/Tasks/src/main/java/fr/altarik/toolbox/task/TaskI.java
@@ -2,6 +2,11 @@ package fr.altarik.toolbox.task;
 
 public interface TaskI {
 
+    /**
+     * Send task to worker, execution depends on implementation
+     * @param function task you send to worker
+     * @throws InterruptedException used by asynchronous workers if threads has been interrupted or shutdown
+     */
     void addTask(AltarikRunnable function) throws InterruptedException;
 
 }
diff --git a/Tasks/src/main/java/fr/altarik/toolbox/task/async/AsyncPeriodicTasks.java b/Tasks/src/main/java/fr/altarik/toolbox/task/async/AsyncPeriodicTasks.java
index 1e095f8..b3f7b9d 100644
--- a/Tasks/src/main/java/fr/altarik/toolbox/task/async/AsyncPeriodicTasks.java
+++ b/Tasks/src/main/java/fr/altarik/toolbox/task/async/AsyncPeriodicTasks.java
@@ -7,6 +7,10 @@ import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
 
+/**
+ * A task manager to execute periodic tasks asynchronously. A scheduler on the main/server thread will send the task to
+ * worker threads.
+ */
 public class AsyncPeriodicTasks implements PeriodicTaskI, AsyncTaskI, SendTaskWorkerI {
 
     private final ExecutorService worker;
@@ -41,11 +45,23 @@ public class AsyncPeriodicTasks implements PeriodicTaskI, AsyncTaskI, SendTaskWo
         return initialize(Runtime.getRuntime().availableProcessors());
     }
 
+    /**
+     * Send the task to the scheduler, the task is executed at the next server tick and at every following tick
+     * @param function the function which will be executed
+     * @throws InterruptedException if worker has terminated or is shutting down
+     */
     @Override
     public void addTask(AltarikRunnable function) throws InterruptedException {
-        this.addTask(function, 0, 1000);
+        this.addTask(function, 0, 1);
     }
 
+    /**
+     * Send the task to the scheduler, executed depending on the parameters (delay and period)
+     * @param function the function to execute
+     * @param delay delay in tick before starting the task
+     * @param period time in tick to wait between runs
+     * @throws InterruptedException if worker has terminated or is shutting down
+     */
     @Override
     public void addTask(AltarikRunnable function, long delay, long period) throws InterruptedException {
         if(worker.isTerminated() || worker.isShutdown()) {
@@ -54,6 +70,10 @@ public class AsyncPeriodicTasks implements PeriodicTaskI, AsyncTaskI, SendTaskWo
         tasks.add(new SchedulerTaskData(function, delay, period - 1));
     }
 
+    /**
+     * Try to execute task you already send in 10 seconds, otherwise workers are killed.
+     * @throws AsyncTasks.UnfinishedTasksException if workers has been shutdown before finishing every tasks
+     */
     @Override
     public void close() throws Exception {
         worker.shutdown();