Validation
The Validation component can be added to details pages to collect and display all validation errors, keeping them visible until you save again. This ensures you can address all required fields without repeatedly saving to see errors. For example, if you Direct publish an asset and five additional fields become mandatory as a result, the Validation component will mention those five required fields.

To add a Validation component:
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On the menu bar, click Manage
.
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On the Manage page, click Pages.
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On the Pages page, select the details page you want to modify.
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On the Layout tab, add the page component.
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Click Save.