[Vuejs]-Laravel vue with vuetify how to call this.loading = false;

 data(){
      return {
        loading: false,
        form:{
          mobile_number: null,
          password: null
        },
        errors: {
          mobile_number: null,
          password: null,
        },
      };
    },

axios.post('/api/auth/login',this.form)
          .then(res => {
            User.responseAfterLogin(res)
            Toast.fire({
              icon: 'success',
              title: 'Signed in successfully'
            })
            this.$router.push({ name: 'DashBoard'});
          })
          .catch((error) => {
            this.loading = false;
            this.errors = error.response.data.errors;
              Toast.fire({
                icon: 'warning',
                title: 'Invalid Email or Password'
              })
          })
          .finally(() => {
            this.loading = false
          })