use to make sure all the fields in zendesk are available

zendeskrequire.js

//place these right after return
currAttempt : 0,
MAX_ATTEMPTS : 20,

events: {
      'requiredProperties.ready': 'whatever'
}

//
init: function() {
      this.requiredProperties = ['ticket.requester.email'];
      this.allRequiredPropertiesExist();
    },

// HELPER FUNCTIONS HELPER FUNCTIONS HELPER FUNCTIONS HELPER FUNCTIONS
    allRequiredPropertiesExist: function() {
      if (this.requiredProperties.length > 0) {
        var valid = this.validateRequiredProperty(this.requiredProperties[0]);
        // prop is valid, remove from array
        if (valid) {
          this.requiredProperties.shift();
        }

        if (this.requiredProperties.length > 0 && this.currAttempt < this.MAX_ATTEMPTS) {
          if (!valid) {
            ++this.currAttempt;
          }

          _.delay(_.bind(this.allRequiredPropertiesExist, this), 100);
          return;
        }
      }
      if (this.currAttempt < this.MAX_ATTEMPTS) {
        this.trigger('requiredProperties.ready');
      } else {
        services.notify('this is error');
      }
    },

    safeGetPath: function(propertyPath) {
      return _.inject( propertyPath.split('.'), function(context, segment) {
        if (context == null) { return context; }
        var obj = context[segment];
        if ( _.isFunction(obj) ) { obj = obj.call(context);}
        return obj;
      }, this);
    },
  
    validateRequiredProperty: function(propertyPath) {
      if (propertyPath.match(/custom_field/)) { return !!this.ticketFields(propertyPath); }
      var value = this.safeGetPath(propertyPath);
      return value != null && value !== '' && value !== 'no';
    }