How to call plugin with Vuejs component?

Question

Vue.js

There is a snippet of the modal.js plugin code,
but I need to push my component there on a
successful click, I need to display it

export default {
  install(Vue, options) {
    Vue.prototype.$message = function(params) {
      alert(params)
    }
  }
}

listing

isOpen() {
      this.$message('Open')
    }