example.rb

def make_note(note_store, note_title, note_body, parent_notebook=nil)

  n_body = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
  n_body += "<!DOCTYPE en-note SYSTEM \"http://xml.evernote.com/pub/enml2.dtd\">"
  n_body += "<en-note>#{note_body}</en-note>"

  ## Create note object
  our_note = Evernote::EDAM::Type::Note.new
  our_note.title = note_title
  our_note.content = n_body

  ## parent_notebook is optional; if omitted, default notebook is used
  if parent_notebook && parent_notebook.guid
    our_note.notebookGuid = parent_notebook.guid
  end

  ## Attempt to create note in Evernote account
  begin
    note = note_store.createNote(our_note)
  rescue Evernote::EDAM::Error::EDAMUserException => edue
    ## Something was wrong with the note data
    ## See EDAMErrorCode enumeration for error code explanation
    ## http://dev.evernote.com/documentation/reference/Errors.html#Enum_EDAMErrorCode
    puts "EDAMUserException: #{edue}"
  rescue Evernote::EDAM::Error::EDAMNotFoundException => ednfe
    ## Parent Notebook GUID doesn't correspond to an actual notebook
    puts "EDAMNotFoundException: Invalid parent notebook GUID"
  end

  ## Return created note object
  note

end