Update mongodb_atlas_vector_search_setup.md

mongodb_atlas_vector_search_setup.md

@@ -49,19 +49,20 @@
    - Click "Next"
    - Configure index settings:
      ```json
-     {
-       "type": "vector",
-       "path": "embedding", // Adjust it to your index/embedding column.
-       "numDimensions": 768,  // Adjust based on your model. (e.g., 768 for all-mpnet-base-v2 )
-       "similarity": "euclidean" // Adjust it to your desired similarity function.
-     }
-     ```
-   - Optional: Add filter fields if needed:
-     ```json
-     {
-       "type": "filter",
-       "path": "source" // Adjust it to the column you would like to filter with.
-     }
+         {
+      "fields": [
+         {
+            "numDimensions": 768, // Adjust based on your model. (e.g., 768 for all-mpnet-base-v2 )
+            "path": "embedding",// Adjust it to your index/embedding column.
+            "similarity": "euclidean", // Adjust it to your desired similarity function.
+            "type": "vector"
+         },
+         {
+            "path": "source", // Adjust it to the column you would like to filter with.
+            "type": "filter"
+         }
+      ]
+      }
      ```
    - Assign your index to the collection name created in step 6 using the drop down menu on the left.
    - Click "Next"