node.js - Getting a validation error in mongoose even though files are provided -

i getting validation error following message on saving database though have provided fields,

{ [validationerror: validation failed]   message: 'validation failed',   name: 'validationerror',   errors:     { name:        { [validatorerror: path `name` required.]         message: 'path `name` required.',         name: 'validatorerror',         path: 'name',         type: 'required',         value: undefined } } } 

this how object trying save looks

    { name: 'nobody singh',   phone: '+919177121364',   address: 'flat no 306 koratala apartments\nstreet no 3 ,himayatnagar, near siraj plaza',   start: '2014-12-03t13:00:00.000z',   end: '2014-12-03t15:00:00.000z',   details: 'flat no 306 koratala apartments\nstreet no 3 ,himayatnagar, near siraj plaza' } 

an here schema

    // load things need var mongoose = require('mongoose');  // define schema our user model var appointmentschema = mongoose.schema({        email: { type: string, default: 'maisnamraj@gmail.com' },                  name: { type: string, required:true },        phone: { type:number },        address:{ type: string },        details:{ type: string },        title:{ type: string, default: "slot taken"},        start: { type:date},        end: { type:date},        requesteddate: { type:date, default: date.now }  });    // create model users , expose our app module.exports = mongoose.model('appointment', appointmentschema); 

here route file

app.post('/saveappointment', function(req, res) {  var appointment = new appointment();      var appointment = {                       //need add email here                        name: req.body.name,                       phone: req.body.phone,                       address: req.body.address,                       start: req.body.appointment.start,                       end:req.body.appointment.end,                       details:req.body.details,                       address:req.body.address                     };      console.log(appointment);      appointment.save(appointment,      function(err,resp) {         if(err) {             console.log(err);             res.send({                 message :'something went wrong'             });         } else {             res.send({                 message:'the appointment has bees saved'             });         }                 }); }) 

try code below , let me know if same error appear

app.post('/saveappointment', function(req, res) {    var appointment = new appointment({     //need add email here      name: req.body.name,     phone: req.body.phone,     address: req.body.address,     start: req.body.appointment.start,     end: req.body.appointment.end,     details: req.body.details,     address: req.body.address   });     appointment.save(function(err, resp) {     if (err) {       console.log(err);       res.send({         message: 'something went wrong'       });     } else {       res.send({         message: 'the appointment has been saved'       });     }    }); });