beforeAttachmentSaveHandler(\%attrHash, $topic, $web )

• \%attrHash - reference to hash of attachment attribute values
• $topic - the name of the topic in the current CGI query
• $web - the name of the web in the current CGI query

This handler is called once when an attachment is uploaded. When this handler is called, the attachment has not been recorded in the database.

The attributes hash will include at least the following attributes:

• attachment => the attachment name
• comment - the comment
• user - the user's TWiki user object
• tmpFilename - name of a temporary file containing the attachment data

Since: TWiki::Plugins::VERSION = '1.023'