@@ -0,0 +1,45 @@
+import unreal_engine as ue
+from unreal_engine import FSlateIcon, FSlateStyleSet, FLinearColor
+from unreal_engine.structs import SlateBrush, SlateColor, Vector2D
+
+# this code must be in ue_site.py, extenders must be  registered during editor startup phase !!!
+
+# we create a new StyleSet to register a new Icon
+
+# create a new styleset
+style = FSlateStyleSet('PyStyle')
+# allocate a solid color brush (check here https://docs.unrealengine.com/latest/INT/API/Runtime/SlateCore/Styling/FSlateBrush/index.html)
+brush = SlateBrush(TintColor=SlateColor(SpecifiedColor=FLinearColor(1, 0, 0, 1)))
+# register the brush in the 'PyStyle' StyleSet
+style.set('SolidBrush001', brush)
+# allocate a brush image (best image size for toolbar is 64x64)
+# Note: pass a path to a valid image file
+brush2 = SlateBrush(ResourceName='C:/Users/Roberto/Desktop/chessboard.png', ImageSize=Vector2D(X=128, Y=128))
+# register the brush
+style.set('ImageBrush001', brush2)
+# register the new style
+style.register()
+
+# this is called whenever you select the SimpleMenuExtension entry
+def dumb():
+   ue.log('HELLO WORLD')
+
+# this generates the menu entries
+def open_menu(menu):
+   menu.begin_section('test1', 'test2')
+   menu.add_menu_entry('one', 'two', lambda: ue.log('ciao 1'))
+   menu.add_menu_entry('three', 'four', lambda: ue.log('ciao 2'))
+   menu.end_section()
+
+# this fills the toolbar
+def fill_toolbar(toolbar):
+	icon1 = FSlateIcon('PyStyle', 'SolidBrush001')
+	icon2 = FSlateIcon('PyStyle', 'ImageBrush001')
+	toolbar.add_tool_bar_button('button001', 'Button001', 'Button001 tooltip', icon1, lambda: ue.log('Button001'))
+	toolbar.add_tool_bar_button('button002', 'Button002', 'Button002 tooltip', icon2, lambda: ue.log('Button002'))
+
+ue.add_menu_extension('SimpleMenuExtension', dumb)
+
+ue.add_menu_bar_extension('SimpleMenuBarExtension', open_menu)
+
+ue.add_tool_bar_extension('SimpleToolBarExtension', fill_toolbar)