diff --git a/notebooks/message.ipynb b/notebooks/message.ipynb
index 62f4702b..79b0f2ab 100644
--- a/notebooks/message.ipynb
+++ b/notebooks/message.ipynb
@@ -290,9 +290,9 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "import ommx_python_mip_adapter as adapter\n",
+    "from ommx_python_mip_adapter as OMMXPythonMIPAdapter\n",
     "\n",
-    "result = adapter.solve(instance)"
+    "solution = OMMXPythonMIPAdapter.solve(instance)"
    ]
   },
   {
@@ -300,18 +300,7 @@
    "id": "08b012b1-9d24-46d1-9933-a0cb95138bd8",
    "metadata": {},
    "source": [
-    "The returned `result` is an `ommx.v1.Result` object containing the solution if the problem was solved successfully:"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 9,
-   "id": "255a31d8-033b-4fd4-9f15-287d17d2cdc8",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "assert result.HasField(\"solution\")  \n",
-    "solution = result.solution"
+    "The returned `solution` is a `ommx.v1.Solution` object containing the solution if the problem was solved successfully. In the case the problem is infeasible or unbounded, an exception will occur."
    ]
   },
   {
@@ -395,8 +384,8 @@
     }
    ],
    "source": [
-    "assert len(solution.evaluated_constraints) == 1  \n",
-    "print(solution.evaluated_constraints[0].evaluated_value)"
+    "assert len(solution.raw.evaluated_constraints) == 1  \n",
+    "print(solution.raw.evaluated_constraints[0].evaluated_value)"
    ]
   }
  ],
@@ -416,7 +405,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.4"
+   "version": "3.12.2"
   }
  },
  "nbformat": 4,