How to add custom sounds on shooter item?(STABLE, No_Events)

[sweet sorrel]

I was trying adding vanilla sounds on the entity projectile on it's shoot_sound and hit_sound but it didn't work, I already tried linking the sounds from resource pack's sound_definition but still didn't work, please need help Oooff

[knotty violet]

did u solved this?

[sweet sorrel]

Sadly no.