question: set 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 JobSchedulePatchHeaders withDataServiceId concode_elem_sep String dataServiceId concode_elem_sep String clientRequestId concode_elem_sep String requestId concode_elem_sep JobSchedulePatchHeaders withClientRequestId concode_elem_sep String eTag concode_elem_sep DateTime lastModified concode_elem_sep JobSchedulePatchHeaders withETag concode_elem_sep JobSchedulePatchHeaders withRequestId
target: JobSchedulePatchHeaders function ( DateTime arg0 ) { if ( arg0 == null ) { this . lastModified = null ; } else { this . lastModified = new DateTimeRfc1123 ( arg0 ) ; } return this ; }