--- id: attu_index.md related_key: attu summary: Attu, an intuitive GUI for Milvus service management. --- # Manage Index with Attu This topic describes how to manage an index with Attu. ## Create indexes This example builds an IVF_FLAT index with Euclidean distance as the similarity metrics and an `nlist` value of `1024`. 1. Click **Schema** on the **Collection** page. On the **Schema** tab page, click **CREATE INDEX** and the **Create Index** dialog box appears. 2. In the **Create Index** dialog box, select **IVF_FLAT** from the **Index Type** dropdown list, select **L2** from the **Metric Type** dropdown list, and enter `1024` in the `nlist` field. 3. (Optional) Turn on **View Code** and the **Code View** page appears. You can check the code in Python or Node.js as you want. 4. Click **Create** to create the index. If successful, the type of the index you created appears in the **Index Type** column for the vector field. ![Create Index](../assets/insight_index1.png) ![Create Index](../assets/insight_index2.png) ## Delete indexes 1. Click the **Trash** icon in the **Index Type** column and the **Delete Index** dialog box appears. 2. Enter `delete` to confirm the deletion and click **Delete** to delete the indexes. If successful, **CREATE INDEX** button appears in the Index Type column. ![Delete Index](../assets/insight_index3.png)