inputEx.MultiSelectFieldCustom
                                
                                        
                            
                        
                                    (
  
                                        
                                                
                                                options
                                    )
                                
                                - Parameters:
- 
                                                    options <Object>Added options:- maxItems: the number of Items
- maxItemsAlert: a function executed when the maxItems is reach
- listSelectOptions : the options for a select field inside of the custom list