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This tutorial demonstrates how to create required fields for snippets. Starting with a text field example, a name is needed for the field to be checked by the error command. The goal is to display a warning message if the field is left blank. The snippet is set to warn if the field is empty but still allows insertion. To make the field required, the block setting is used. A snippet with a drop-down menu is shown, with the first option set as default. The tutorial guides on how to check the contents of the drop-down menu.
