diff --git a/custom_components/intellicenter/diagnostics.py b/custom_components/intellicenter/diagnostics.py
new file mode 100644
index 0000000..ee01070
--- /dev/null
+++ b/custom_components/intellicenter/diagnostics.py
@@ -0,0 +1,32 @@
+"""Diagnostics support for Intellicenter."""
+
+from __future__ import annotations
+
+from typing import Any
+
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
+
+from .const import DOMAIN
+from .pyintellicenter import ModelController
+
+
+async def async_get_config_entry_diagnostics(
+    hass: HomeAssistant, entry: ConfigEntry
+) -> dict[str, Any]:
+    """Return diagnostics for a config entry."""
+    controller: ModelController = hass.data[DOMAIN][entry.entry_id].controller
+
+    objects = [
+        {
+            "objnam": obj.objnam,
+            "objtype": obj.objtype,
+            "subtype": obj.subtype,
+            "properties": obj.properties,
+        }
+        for obj in controller.model.objectList
+    ]
+
+    return {
+        "objects": objects
+    }
diff --git a/custom_components/intellicenter/pyintellicenter/model.py b/custom_components/intellicenter/pyintellicenter/model.py
index 950d49b..daa0ffa 100644
--- a/custom_components/intellicenter/pyintellicenter/model.py
+++ b/custom_components/intellicenter/pyintellicenter/model.py
@@ -115,6 +115,11 @@ def attributes(self) -> list:
         """Return the list of attributes for this object."""
         return list(self._properties.keys())
 
+    @property
+    def properties(self) -> dict:
+        """Return the properties of the object."""
+        return self._properties
+
     def update(self, updates):
         """Update the object from a set of key/value pairs, return the changed attributes."""