diff --git a/lib/plugins_management/event.ex b/lib/plugins_management/event.ex
index 8f353f9..2e941a4 100644
--- a/lib/plugins_management/event.ex
+++ b/lib/plugins_management/event.ex
@@ -29,9 +29,9 @@ defmodule MishkaInstaller.PluginsManagement.Event do
     field(:extension, atom(), enforce: true, derive: "validate(atom)")
 
     # This type can be used when you want to introduce a list of modules that an event depend on them.
-    field(:depends, list(String.t()), default: [], derive: "validate(not_empty)")
+    field(:depends, list(String.t()), default: [], derive: "validate(list)")
     # This type can be used when you want to introduce an extra data for an event.
-    field(:extra, list(map()), default: [], derive: "validate(not_empty)")
+    field(:extra, list(map()), default: [], derive: "validate(list)")
     # This type can be used when you want to introduce an event inserted_at unix time(timestamp).
     field(:inserted_at, DateTime.t(), auto: {Extra, :get_unix_time})
     # This type can be used when you want to introduce an event updated_at unix time(timestamp).
diff --git a/test/plugins_management/event_test.exs b/test/plugins_management/event_test.exs
new file mode 100644
index 0000000..743e8eb
--- /dev/null
+++ b/test/plugins_management/event_test.exs
@@ -0,0 +1,97 @@
+defmodule MishkaInstallerTest.PluginsManagement.EventTest do
+  # Should be tested by mix test --trace --seed 0
+  use ExUnit.Case, async: false
+  alias MishkaInstaller.PluginsManagement.Event
+
+  ###################################################################################
+  ########################## (▰˘◡˘▰) QueryTest (▰˘◡˘▰) ########################
+  ###################################################################################
+  describe "Event Table CRUD QueryTest ===>" do
+    test "Create a Plugin record", _context do
+      {:error, %{message: _msg, fields: [:extension, :event, :name]}} = assert Event.create(%{})
+
+      create = fn ->
+        %{name: MishkaTest.Email, event: "after_login_test", extension: MishkaTest}
+        |> Event.create()
+      end
+
+      {:ok, %Event{status: :registered, event: "after_login_test", name: MishkaTest.Email}} =
+        assert create.()
+
+      {:error, _error} = assert create.()
+    end
+
+    test "Read a Plugin/Plugins records", _context do
+      assert Event.read(:all) != []
+      assert !is_nil(Event.read(name: MishkaTest.Email))
+      assert MishkaTest = List.first(Event.read(event: "after_login_test")).extension
+      assert is_nil(Event.read(name: MishkaTest.Email1))
+      assert [] = Event.read(event: "after_login_test1")
+      get_data = Event.read(:all) |> List.first()
+      assert !is_nil(Event.read(get_data.id))
+    end
+
+    test "Update a Plugin record", _context do
+      get_data = Event.read(:all) |> List.first()
+      {:ok, struct} = assert Event.update(Map.merge(get_data, %{priority: 50}), get_data.id)
+      assert struct.priority == 50
+      get_data1 = Event.read(:all) |> List.first()
+      assert get_data1.id == get_data.id
+      {:ok, struct} = assert Event.update(:priority, 67, get_data.id)
+      assert Event.read(struct.id).priority == 67
+    end
+
+    test "All keys of plugins Record", _context do
+      assert Event.records() != []
+    end
+
+    test "Unique? plugin Record by name", _context do
+      assert !Event.unique?(MishkaTest.Email)
+      assert Event.unique?(MishkaTest.Email1)
+    end
+
+    test "Delete plugin Record", _context do
+      get_data = Event.read(:all) |> List.first()
+      {:ok, struct} = assert Event.delete(name: get_data.name)
+      assert is_nil(Event.read(struct.id))
+      assert Event.read(:all) == []
+    end
+
+    test "Drop all plugins records" do
+      create = fn ->
+        %{name: MishkaTest.Email, event: "after_login_test", extension: MishkaTest}
+        |> Event.create()
+      end
+
+      {:ok, _struct} = assert create.()
+      assert Event.read(:all) != []
+      {:ok, :atomic} = assert Event.drop()
+      assert Event.read(:all) == []
+    end
+
+    test "Check Hold statuses from plugins records" do
+      create = fn name, status, deps ->
+        %{name: name, extension: MishkaTest, depends: deps}
+        |> Map.put(:event, "after_login_test")
+        |> Map.put(:status, status)
+        |> Event.create()
+      end
+
+      {:ok, struct} =
+        assert create.(MishkaTest.Email, :registered, [
+                 MishkaTest.Email1,
+                 MishkaTest.Email2,
+                 MishkaTest.Email3
+               ])
+
+      assert length(Event.hold_statuses(struct.depends)) == 3
+      {:error, _error} = assert Event.hold_statuses?(struct.depends)
+
+      create.(MishkaTest.Email1, :started, [])
+      create.(MishkaTest.Email2, :started, [])
+      create.(MishkaTest.Email3, :started, [])
+      assert length(Event.hold_statuses(struct.depends)) == 0
+      :ok = assert Event.hold_statuses?(struct.depends)
+    end
+  end
+end
diff --git a/test/plugins_management/hook_test.exs b/test/plugins_management/hook_test.exs
new file mode 100644
index 0000000..326b46a
--- /dev/null
+++ b/test/plugins_management/hook_test.exs
@@ -0,0 +1,5 @@
+defmodule MishkaInstallerTest.PluginsManagement.HookTest do
+  # Should be tested by mix test --trace --seed 0
+  use ExUnit.Case, async: false
+  # alias alias MishkaInstaller.PluginsManagement.Event
+end
diff --git a/test/test_helper.exs b/test/test_helper.exs
index b0e96a1..f9cfe50 100644
--- a/test/test_helper.exs
+++ b/test/test_helper.exs
@@ -2,6 +2,8 @@ ExUnit.start()
 
 alias MishkaInstaller.ProcessingPipelines.Queue.{Queue, Job}
 alias MnesiaAssistant.Table
+alias MishkaInstaller.PluginsManagement.Event
+
 MnesiaAssistant.start("#{Mix.env()}", ".mnesia", :mishka_installer_queue)
 
 {0, [], :timer.seconds(15), 3}
@@ -26,3 +28,21 @@ end
 MishkaInstallerTest.Support.MishkaQueue.WorkerOne.worker?()
 MishkaInstallerTest.Support.MishkaQueue.WorkerTwo.worker?()
 MishkaInstallerTest.Support.MishkaQueue.WorkerThree.worker?()
+
+{0, [Queue], :timer.seconds(15), 3}
+|> Table.start_table(
+  Event,
+  [
+    type: :set,
+    ram_copies: [node()],
+    attributes: Event.keys(),
+    index: [:name, :event, :extension],
+    record_name: Event,
+    storage_properties: [ets: [{:read_concurrency, true}, {:write_concurrency, true}]]
+  ],
+  :mishka_installer_event
+)
+|> case do
+  {:ok, :create_table, :mishka_installer_event} -> :ok
+  _ -> :error
+end