diff --git a/llms/mlx_lm/tuner/datasets.py b/llms/mlx_lm/tuner/datasets.py
index 7d0e5026..2e617cf0 100644
--- a/llms/mlx_lm/tuner/datasets.py
+++ b/llms/mlx_lm/tuner/datasets.py
@@ -108,6 +108,14 @@ class CompletionsDatasetCollection:
 
         return self.__fetch_and_process_item__(idx, getitem)
 
+    def get_item(
+        self, idx: int, tokenize: bool = False, add_generation_prompt: bool = True
+    ) -> str:
+        def getitem(dataset: CompletionsDataset, index: int):
+            return dataset.get_item(index, tokenize, add_generation_prompt)
+
+        return self.__fetch_and_process_item__(idx, getitem)
+
     def get_prompt_and_completion(self, idx: int):
         def getitem(dataset: CompletionsDataset, index: int):
             return dataset.get_prompt_and_completion(index)