How to select specific field in nested populate in mogoose

Question

here is my schema:

var UserSchema = new Schema({
    email: String,
    name: String,
    city: String,
    username: String,
    profilePic: String,
    phoneNo         


        

Answer 1

try to do this:

applicantListToExport: function (query, callback) {
  this
    .find(query).select({'advtId': 0})
    .populate({
      path: 'influId',
      model: 'influencer',
      select: { '_id': 1,'user':1},
      populate: {
       path: 'userid',
       model: 'User'
      }
    })
    .populate('campaignId',{'campaignTitle':1})
    .exec(callback);
  }