method

UploadField.Validate

Validate appends one authoritative save validator.

Arguments

ArgumentTypeDescription
valueValidator[operation.ID]The value value.

Returns

The declared result.

UploadField

Full signature

Related types

  • UploadField

    UploadField configures a link to one file in the target upload collection.

  • Validator

    Validator checks a field before saving, after built-in checks and write hooks. Return issues for values the author needs to fix, or an error if the check could not run. An issue belongs to this field unless its Target names a child.

  • ID

    ID is the logical write value of a singular relationship. It is distinct from the potentially populated logical read value.