# Package =TWiki::UI::Upload UI delegate for attachment management functions
## [[StaticMethod]] **attach** `($session)` `upload` command handler. This method is designed to be invoked via the `TWiki::UI::run` method. Adds the meta-data for an attachment to a toic. Does **not** upload the attachment itself, just modifies the meta-data. ## [[StaticMethod]] **upload** `($session)` `upload` command handler. This method is designed to be invoked via the `TWiki::UI::run` method. CGI parameters, passed in $query:
hidefile if defined, will not show file in attachment table
filepath  
filename  
filecomment Comment to associate with file in attachment table
createlink if defined, will create a link to file at end of topic
changeproperties  
Does the work of uploading a file to a topic. Designed to be useable as a REST method (it will redirect to the 'view' script unless the 'noredirect' parameter is specified, in which case it will print a message to STDOUT, starting with 'OK' on success and 'ERROR' on failure.