I could be wrong, but I don't think there is an API call for that, but there may be a workaround by using HTML elements on your text.
For example, this string: "Text<STACK size=1 divider=no> <OVER>tiefgestellter Text</STACK>"
Will get you this text inside a note:
Here's some help on how to use it:
Try it out and see if you can get the desired results.
Thank you very much
I've been using other methods to realize, copy the existing note and then paste
The way you provide I think it is also possible, about the vertical alignment options inside the pdf file
Further research later