items = attributes.elementInfo.elementData.propertyValues;
// check if the metadata form is defined
photoSizeID = 0;
if ( (StructKeyExists(attributes.elementInfo, "RenderHandlerMetaData")) AND (LEN(attributes.elementInfo.RenderHandlerMetaData.PhotoRenderSize.detailSize)) )
photoSizeID = attributes.elementInfo.RenderHandlerMetaData.PhotoRenderSize.detailSize;