https://www.steinberg.help/r/dorico-elements/6.1/en/dorico/topics/notation_reference/notation_reference_unpitched_percussion/notation_reference_unpitched_percussion_playing_techniques_adding_t.html?contentId=WvgHmEHZKmcJA4Aa8b9Jsg
Creating new playing technique-specific noteheads - Dorico Elements - 6.1
You can define new playing technique-specific noteheads for unpitched percussion instruments, which are saved for that type of percussion instrument in your...
technique specificcreatingnewplayingdorico