panel.py

import bpy


class NFTGEN_PT_Panel(bpy.types.Panel):
    bl_idname = "NFTGEN_PT_Panel"
    bl_label = "GUI Panel for NFT generator addon"
    bl_space_type = 'VIEW_3D'
    bl_region_type = 'UI'
    bl_category = "NFT"
    bl_context = "objectmode"

    def draw(self, context):

        layout = self.layout

        row = layout.box()
        row.label(text="NFT Generator Addon")
        row = layout.box()
        row.label(text="Select Feature Collections")
        row.label(text="Prepare: it loads the features into the system and checks for erros")
        
        row.prop(context.scene, "theChosenObject")
        print('Selected: {}'.format(bpy.types.Scene.theChosenObject))
        
        
        row.operator("object.prepare_nft")
        

        box = layout.box()
        box.label(text="Render All NFT!")
        box.operator("object.generator_nft")