Validation rule for two properties

[rwb196884]

I have an object

{
  a: number, 
  b: number
}

How do I write a validaton rule to require a + b <= 100?

[bohoffi]

@rwb196884 you could use a custom rule to achieve this.

this.ruleFor('a').must(
  (a, model) => a + model.b <= 100
);

[AlexJPotter]

Hi @rwb196884, the answer provided by @bohoffi is correct (thank you!)