2090_filter_section_i_example.conf

filter {
  if [type] == "mod_security" {

    #~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    # Optionally deal w/ Section I (reduced multipart request body)
    # this is not always present
    #~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    if [rawSectionI] =~ /.+/ {
      # you can deal w/ this if you want to here...
    }
  }
}