Cross head notes

Where do I find the cross head notes?

Thanks

https://steinberg.help/dorico/v1/en/dorico/topics/notation_reference/notation_reference_notes_appearance_changing_individually_notehead_design_t.html

Thanks Anders. How can I apply that so as to write for instance, a high hat part with out having to keep going there. Can I not have that notepad easily available?

In that case:

https://steinberg.help/dorico/v1/en/dorico/topics/notation_reference/notation_reference_unpitched_percussion_c.html

(and the following pages, which explain how to set up percussion)