validate child component fields from parent component code example
Example 1: vuelidate child components
this.$refs.mychild.$v
Example 2: vuelidate child components
<template>
<my-child ref="mychild"> </my-child>
</template>
this.$refs.mychild.$v
<template>
<my-child ref="mychild"> </my-child>
</template>