Is it possible to throw a list of validation errors so that it renders like the screenshot?
Maybe there is a way using CHelper.ThrowValidationError("text");
Currently this is not supported if you use functions like CHelper.ThrowValidationError() to throw Validation Errors.
You can get all the error messages simultaneously if you use "Validations and Actions" tab on the form or mark the fields on the form as "Required".
Our Product Team will review this suggestion and may implement it in future versions.
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