How do I make a DateTime snippet with the format I need?

[jhon65496]

How do I make a DateTime snippet with the format I need?

Now the DateTime snippet inserts the text 2024-04-14_19:23:50.

How do I create a DateTime2 snippet so that it inserts the text 20240414192350?

[tamlok]

%yyyy%%MM%%dd%%HH%%mm%%ss%