diff --git a/buildtime/server/examples/household_example/propertyTypeGroups copy.json b/buildtime/server/examples/household_example/propertyTypeGroups copy.json
new file mode 100644
index 000000000..018952f79
--- /dev/null
+++ b/buildtime/server/examples/household_example/propertyTypeGroups copy.json	
@@ -0,0 +1,211 @@
+[
+    {
+        "label": "X-CPQ",
+        "description": "Property Type Group for X-CPQ",
+        "propertyTypeGroups": [
+            {
+                "label": "electrical",
+                "description": "All electrical property types",
+                "propertyTypes": [
+                    {
+                        "label": "Spannungsversorgung (V)",
+                        "description": "Spannungsversorgung (V)",
+                        "values": [
+                            220,
+                            230
+                        ]
+                    },
+                    {
+                        "label": "Leistung (W)",
+                        "description": "Leistung",
+                        "values": [
+                            0,
+                            140,
+                            130,
+                            120,
+                            110,
+                            100,
+                            90,
+                            80,
+                            70,
+                            60,
+                            50,
+                            28,
+                            26,
+                            24,
+                            22,
+                            20
+                        ]
+                    },
+                    {
+                        "label": "Eingangsimpedanz (Ω)",
+                        "description": "Wiederstand der Eingangsimpedanz",
+                        "values": [
+                            10
+                        ]
+                    },
+                    {
+                        "label": "Frequenzbereich (Hz‑kHz)",
+                        "description": "Frequenzbereich (Hz‑kHz)",
+                        "values": [
+                            "87‑108"
+                        ]
+                    },
+                    {
+                        "label": "Signal‑Rausch‑Verhältnis (dB)",
+                        "description": "Signal‑Rausch‑Verhältnis (dB)",
+                        "values": [
+                            48,
+                            46,
+                            47,
+                            45,
+                            49,
+                            44
+                        ]
+                    },
+                    {
+                        "label": "Anschlüsse",
+                        "description": "Anschlüsse",
+                        "values": [
+                            "UKW+Bluetooth+DL",
+                            "UKW+Wi‑Fi+DL",
+                            "UKW+DL+Bluetooth",
+                            "UKW+Bluetooth+Wi‑Fi",
+                            "UKW+Wi‑Fi+DL",
+                            "UKW+Wi‑Fi",
+                            "UKW+Bluetooth",
+                            "UKW+DL",
+                            "UKW"
+                        ]
+                    },
+                    {
+                        "label": "Ausgangsimpedanz (Ω)",
+                        "description": "Ausgangsimpedanz (Ω)",
+                        "values": [
+                            75
+                        ]
+                    }
+                ]
+            },
+            {
+                "label": "mechanical",
+                "description": "All mechanical properties",
+                "propertyTypes": [
+                    {
+                        "label": "Abmessungen (mm)",
+                        "description": "All mechanical properties",
+                        "values": [
+                            "158x88x33",
+                            "310x210x110",
+                            "160x90x35",
+                            "170x100x42",
+                            "150x80x30",
+                            "155x85x32",
+                            "165x95x38",
+                            "305x205x105",
+                            "172x102x44",
+                            "340x240x140",
+                            "420x320x140",
+                            "162x92x36",
+                            "300x200x100",
+                            "168x98x40",
+                            "315x215x115",
+                            "325x225x125",
+                            "415x315x135",
+                            "320x220x120",
+                            "335x235x135",
+                            "330x230x130",
+                            "400x300x120",
+                            "405x305x125",
+                            "345x245x145",
+                            "295x245x135",
+                            "410x310x130",
+                            "290x240x130",
+                            "285x235x125",
+                            "280x230x120",
+                            "275x225x115",
+                            "270x220x110",
+                            "265x215x105",
+                            "255x205x95",
+                            "260x210x100",
+                            "250x200x90",
+                            "445x345x165",
+                            "440x340x160",
+                            "435x335x155",
+                            "430x330x150",
+                            "425x325x145"
+                        ]
+                    },
+                    {
+                        "label": "Gewicht (kg)",
+                        "description": "All mechanical properties",
+                        "values": [
+                            3,
+                            6,
+                            4,
+                            2
+                        ]
+                    },
+                    {
+                        "label": "Kapazität (kg)",
+                        "description": "All mechanical properties",
+                        "values": [
+                            0
+                        ]
+                    },
+                    {
+                        "label": "Programms/Features",
+                        "description": "All mechanical properties",
+                        "values": []
+                    },
+                    {
+                        "label": "Wasserverbrauch pro Zyklus (L)",
+                        "description": "All mechanical properties",
+                        "values": []
+                    },
+                    {
+                        "label": "Material Innenraum",
+                        "description": "All mechanical properties",
+                        "values": []
+                    },
+                    {
+                        "label": "Kapazität/Volumen (L)",
+                        "description": "All mechanical properties",
+                        "values": []
+                    },
+                    {
+                        "label": "Schleuderdrehzahl (U/min)",
+                        "description": "All mechanical properties",
+                        "values": []
+                    }
+                ]
+            },
+            {
+                "label": "other",
+                "description": "All other properties",
+                "propertyTypes": [
+                    {
+                        "label": "Preis (USD)",
+                        "description": "All other properties",
+                        "values": []
+                    },
+                    {
+                        "label": "Zusatzfunktionen",
+                        "description": "All other properties",
+                        "values": []
+                    },
+                    {
+                        "label": "Bedienungsart",
+                        "description": "All other properties",
+                        "values": []
+                    },
+                    {
+                        "label": "Energieeffizienzklasse",
+                        "description": "All other properties",
+                        "values": []
+                    }
+                ]
+            }
+        ]
+    }
+]
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