یک Data Validation برای یک GridItem
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// Add a grid item to a form and require one response per column. var gridItem = form.addGridItem(); gridItem.setTitle('Rate your interests') .setRows(['Cars', 'Computers', 'Celebrities']) .setColumns(['Boring', 'So-so', 'Interesting']); var gridValidation = FormApp.createGridValidation() .setHelpText(“Select one item per column.”) .requireLimitOneResponsePerColumn() .build(); gridItem.setValidation(gridValidation);