SchUser=new SimpleSchema({
  Nome: {
    type: String
  },
  Cognome: {
    type: String
  },
  Telefono: {
    type: String,
    autoform: {
      type: 'tel'
    }
  },
  Email: {
    type: String,
    autoform: {
      type: 'email'
    }
  },
  Password: {
    type: String,
    min: 6,
    max: 50,
    autoform: {
      type: 'password'
    },
    optional:true
  },
  ConfPassword: {
    type: String,
    min: 6,
    max: 50,
    autoform: {
      type: 'password',
      label: 'Conferma Password'
    },
    optional:true,
    custom: function(){
      if(this.value!="" && this.field('Password').value!=""){
        if (this.value !== this.field('Password').value) {
            return 'noMatch';
        }
      }
    }
  },
  permissions: {
    type: [String],
    label: "Permessi",
    minCount:1,
    autoform:{
      type:"select-checkbox",
      options:{
        "value":"label",
        [...]
      }
    }
  }
});

SchStaff.messages({
  noMatch: "Password mismatch",
});