text: const mongoose = require('mongoose')
  
  const UsersSchema = mongoose.Schema({
      username: {
          type: String,
          required: true
      },
      
      userDocument: {
          type: String,
          required: true
      },
      card:{
          type: String,
          required: true
      },
      password:{
          type: String,
          required: true
      },
      creditCardToken : {
          type: String,
          required: false
      },
      createdAt:{
          type: Date,
          default: Date.now
      },
      blacktoken:{
          type: [],
          required: false,
          expire_at: {type: Date, default: Date.now, expires: 900}
      }
  })
  mongoose.model('users', UsersSchema )