WEBVTT

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And this response, we're seeing
the default error messages provided for

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each validation error item.

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Let's instead display clear and
more useful custom error messages.

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Sequalize offers several built-in
validators that allow you to specify

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validations for each attribute of the
model as well as custom error messages.

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To begin using them, add a validate object
inside a models attribute object like so.

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The notNull validator allows you to
customize the allowNull false error