How to work with NBT tags of mods?

[DevIL-minecraft-plugins]

command /weapon:
    trigger:
        set {_weapon} to item.tacz.modern_kinetic_gun
        set {_id} to "tacz:ak47"
        set {_weapon} to the GunId of {_id}
        give player 1 {_weapon}

In this script, I was trying to get the "GunId" tag added by the Timeless and Classics Zero (tacz) mod. The tag is needed in order to give out the desired type of weapon.(When running the script, the game cannot recognize the "GunId") Please help me figure this out!

 

[The0Felon]

NBT Compound Tags

SkBee is a Skript addon that aims to add more useful elements to Skript. - ShaneBeee/SkBee

github.com