question: gets the value of the creativeplaceholders property . this accessor method returns a reference to the live list , not a snapshot . therefore any modification you make to the returned list will be present inside the jaxb object . this is why there is not a set method for the creativeplaceholders property . for example , to add a new item , do as follows : getcreativeplaceholders . add newitem ; objects of the following type s are allowed in the list creativeplaceholder concode_field_sep String notes concode_elem_sep DateTime lastModifiedDateTime concode_elem_sep List<FrequencyCap> frequencyCaps concode_elem_sep Long productTemplateId concode_elem_sep Integer priority concode_elem_sep RateType rateType concode_elem_sep ProductTemplateTargeting targeting concode_elem_sep String productTemplateDescription concode_elem_sep Boolean allowFrequencyCapsCustomization concode_elem_sep List<BaseCustomFieldValue> customFieldValues concode_elem_sep LineItemType lineItemType concode_elem_sep String name concode_elem_sep List<CreativePlaceholder> creativePlaceholders concode_elem_sep Long id concode_elem_sep ProductType productType concode_elem_sep ProductStatus status concode_elem_sep RoadblockingType roadblockingType concode_field_sep void setName concode_elem_sep void setProductTemplateDescription concode_elem_sep void setRateType concode_elem_sep String getName concode_elem_sep Long getId concode_elem_sep void setTargeting concode_elem_sep ProductStatus getStatus concode_elem_sep void setAllowFrequencyCapsCustomization concode_elem_sep Long getProductTemplateId concode_elem_sep void setLineItemType concode_elem_sep void setNotes concode_elem_sep void setProductType concode_elem_sep String getNotes concode_elem_sep void setProductTemplateId concode_elem_sep void setId concode_elem_sep String getProductTemplateDescription concode_elem_sep void setLastModifiedDateTime concode_elem_sep List<BaseCustomFieldValue> getCustomFieldValues concode_elem_sep ProductTemplateTargeting getTargeting concode_elem_sep RoadblockingType getRoadblockingType concode_elem_sep void setStatus concode_elem_sep Boolean isAllowFrequencyCapsCustomization concode_elem_sep void setRoadblockingType concode_elem_sep DateTime getLastModifiedDateTime concode_elem_sep RateType getRateType concode_elem_sep Integer getPriority concode_elem_sep ProductType getProductType concode_elem_sep LineItemType getLineItemType concode_elem_sep void setPriority concode_elem_sep List<FrequencyCap> getFrequencyCaps
target: List < CreativePlaceholder > function ( ) { if ( creativePlaceholders == null ) { creativePlaceholders = new ArrayList < CreativePlaceholder > ( ) ; } return this . creativePlaceholders ; }