How to customize the error information for each field in JSON?

[freemanercom]

How to customize the error information for each field in JSON? For example, the "name" field is required. If I don't transmit this field, I want to prompt my own customized error response information instead of the default error prompt. I see that there is an "error" parameter function, but it can only prompt for the whole JSON, not provide custom error information for each field in the JSON

[avylove]

Regex, Use, and Schema all allow error to be specified. If you want to specify a custom error for something simple, just wrap it in Schema. Schema(bool, "This isn't a Boolean")

You can nest it in a larger schema. Schema({'enabled': Schema(bool, "This isn't a Boolean")})