1. Open an existing app you already have access to the base data you load in the app.
2. Edit an existing sheet.
3. Make some space to add the Reload button.
4. Search for the reload object in the Custom objects panel.
5. Drag and drop the Reload button object to the content area.
6. Add the following text as a footnote in the Appearance section: Press this button to reload the data.
7. Set the height of the object to 3 lines.
8. Click on the Done editing sheet icon.
9. The object will look like the following screenshot:

10. Click on the Reload button.
11. In the confirmation screen, click on OK to start the data reload process.
12. If the data load process runs with an error, it shows a Reload Failed warning, otherwise, it shows a Reload Succeeded message.
13. Click on the Close button in the pop-up window to go back to the app.