get the lastmodified value . concode_field_sep String dataServiceId concode_elem_sep String clientRequestId concode_elem_sep String requestId concode_elem_sep String eTag concode_elem_sep DateTimeRfc1123 lastModified concode_field_sep TaskUpdateHeaders withDataServiceId concode_elem_sep TaskUpdateHeaders withLastModified concode_elem_sep String dataServiceId concode_elem_sep String clientRequestId concode_elem_sep String requestId concode_elem_sep TaskUpdateHeaders withClientRequestId concode_elem_sep String eTag concode_elem_sep TaskUpdateHeaders withETag concode_elem_sep TaskUpdateHeaders withRequestId
DateTime function ( ) { if ( this . lastModified == null ) { return null ; } return this . lastModified . getDateTime ( ) ; }