foundryvtt-wh4-lang-fr-fr/reference_scripts/pBMioPUtDn1mk9f5.js

let item = await fromUuid("Compendium.wfrp4e-core.items.5KP9sOoLSGvj9EXp")
let data = item.toObject();    
this.actor.createEmbeddedDocuments("Item", [data], {fromEffect : this.effect.id});