After logging in to Kuika platform, open the project you will work on from the “Apps” screen.
In the “UI Design” (1) module, drag and drop the Checkbox element (4) under the “Select Input” (3) category from the “Elements” (2) panel on the left side.
If you drag the Checkbox element to an empty space on the screen, it will be added with the Row element. If you drag it into a Column, only the Checkbox element will be added.