ValidationComponent.vue

<template>
    <div class="validation-component">
        <h1>Extender validaciones con Vuejs 2 + VeeValidate</h1>
        <form novalidate @submit.prevent="validateAndSubmit" id="custom-form">
            <input type="password" v-model="password" name="password" v-validate="'required|min:8|verify_password'" />
            <p>{{ password }}</p>
            <span v-if="errors.has('password')">{{ errors.first('password') }}</span>
        </form>
    </div>
</template>

<script>
    export default {
        name: 'ValidationComponent',
        data () {
            return {
                password: ''
            }
        },
        methods: {
            validateAndSubmit() {
                this.$validator.validateAll().then((result) => {
                    if (result) {
                        console.log("success...");
                    } else {
                        console.log(this.errors);
                        console.log("error...");
                    }
                });
            },
        }
    }
</script>