component.js

notifications: {
    successSave: {
        title: 'Success',
        message: 'Proceso correcto',
        type: 'success'
    },
    errorSave: {
        title: 'Error',
        message: 'Error en el proceso',
        type: 'error'
    }
},
methods: {
    submit: function() {
      if(success) {
          this.successSave();
      } else {
          this.errorSave();
      }
   }
}