Adding custom addon to blender UI

Hello Devs,
I have created a plugin for blender using pyqt in the menubar, but i want it to be a part of the UI, specifically in the same area as the properties on the left side.
I searched everywhere and i can’t find a way to integrate my UI in blender’s UI and not it being another window popping up.

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Well, here is a simple example of how you can create a custom panel in blenders UI using Python and PyQt.

import bpy
import bpy.types
from bpy.types import Panel
from bpy.props import StringProperty
from bpy.utils import register_class, unregister_class
from PyQt5.QtWidgets import QWidget, QVBoxLayout, QPushButton

# Define a custom panel class
class CustomPanel(Panel):
    bl_idname = "PT_CustomPanel"
    bl_label = "My Custom Panel"
    bl_category = "My Add-on"

    def draw(self, context):
        layout = self.layout

        # Create a QWidget to host PyQt UI elements
        widget = QWidget()

        # Create a QVBoxLayout for the PyQt UI
        vbox = QVBoxLayout(widget)

        # Add PyQt UI elements (e.g., QPushButton)
        button = QPushButton("My Button")

# Register the custom panel class
def register():

# Unregister the custom panel class
def unregister():

# Test the custom panel in Blender
if __name__ == "__main__":


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Have you verified that this works? This seems like a low quality AI generated answer.

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Blender has a builtin UI system running on a custom tech stack. You should be using blender’s UI system for addons instead of Qt if you want anything cleanly integrated into blender.

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