The
customSave property causes the export data to be made available on the client before being exported. This allows the out document to customised via the
onBeforeOutput and
onOutput events. The
onBeforeOutput event handler is passed an
outputTemplate property which can be assigned either the name of a file on the server or a string which contains either pre-defined or custom parameter placeholders. The output can be split into pages with column headings for each page by specifying a page size in the
outputPageSize property. The default value of 0 specifies indicates no paging.