TCTプラグインでゲーム開始前に弓を撃てるようにしたい

on projectile shoot:
   set {_e} to event-entity
   scoreboard tags of {_e} do not contain "duplicated"
   {_e} is arrow
   set {_v} to velocity of {_e}
   set {_nbt} to joined nbt from nbt of {_e} and "{Tags:[""duplicated""],Color:-1}"
   spawn arrow at {_e} with nbt {_nbt}
   set {_a} to last spawned entity
   set shooter of {_a} to shooter of {_e}
   wait 0 tick
   {_e} is alive
   kill {_a}

on projectile shoot:
   set {_e} to event-entity
   scoreboard tags of {_e} do not contain "duplicated"
   {_e} is arrow
   set {_v} to velocity of {_e}
   set {_nbt} to joined nbt from nbt of {_e} and "{Tags:[""duplicated""],Color:-1}"
   spawn arrow at {_e} with nbt {_nbt}
   set {_a} to last spawned entity
   set shooter of {_a} to shooter of {_e}
   wait 0 tick
   {_e} is alive
   kill {_a}