> For the complete documentation index, see [llms.txt](https://docs.datasaur.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.datasaur.ai/data-studio-projects/lets-get-labeling/span-based/span-+-line-labeling.md).

# Span + Line Labeling

### Create a project

1. From the **Projects** page, click **Create project**.
2. Upload files with supported file types for span labeling.
3. In step 3, select **Span labeling** and **Line labeling**.

   ![](/files/1A8v5v6kHaOgITYFZiir)
4. Create a label set for span labeling and a question set for line labeling.
5. Complete the remaining steps and create the project.
6. Start labeling by selecting spans or clicking the line number to label the corresponding line.

### **Submit line answers**

1. Enable the **Line labeling** extension. Click the gear icon in the extension sidebar on the right to open the **Manage extensions** dialog and enable it.
2. Right-click the line you want to answer.
3. Select **Answer this line** from the context menu.
4. Enter your answer in the **Line labeling** extension and click **Submit answers**.

   ![](/files/c529J0WN76f1ZTMxxlGO)

### Get the latest label updates in reviewer mode

As a reviewer, you can refresh both span labels and line answers to ensure the latest changes are reflected. When reviewing labeling work, the displayed labels and answers may not be up to date. Open the **Review** extension and click **Update now** to load the latest changes.