Add sort back to messages

mp_api/client/routes/_messages.py

@@ -42,6 +42,7 @@ def set_message(
     def get_messages(
         self,
         last_updated: datetime,
+        sort_fields: list[str] | None = None,
         num_chunks: int | None = None,
         chunk_size: int = 1000,
         all_fields: bool = True,
@@ -51,6 +52,7 @@ def get_messages(
 
         Args:
             last_updated (datetime): Datetime to use to query for newer messages
+            sort_fields (List[str]): Fields used to sort results. Prefix with '-' to sort in descending order.
             num_chunks (int): Maximum number of chunks of data to yield. None will yield all possible.
             chunk_size (int): Number of data entries per chunk.
             all_fields (bool): Whether to return all fields in the document. Defaults to True.
@@ -65,6 +67,11 @@ def get_messages(
         """
         query_params = {}
 
+        if sort_fields:
+            query_params.update(
+                {"_sort_fields": ",".join([s.strip() for s in sort_fields])}
+            )
+
         return self._search(
             last_updated=last_updated,
             num_chunks=num_chunks,