For AI agents: the complete documentation index is available at /next/llms.txt, the full documentation bundle is available at /next/llms-full.txt, and this page is available as Markdown at /next/api/genui/openui/core/functions/validate.md.
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      • Function: validate()

      validate(value: unknown, rules: ParsedRule[], customValidators?: Record<string, ValidatorFn>): string | undefined

      Run all rules against a value. Stop on first error. Custom validators are checked first, then built-in ones.

      Parameters

      ParameterType
      valueunknown
      rulesParsedRule[]
      customValidators?Record<string, ValidatorFn>

      Returns

      string | undefined

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