diff --git a/module/data/Item/Weapon.mjs b/module/data/Item/Weapon.mjs
index 87a8ed8..237b78c 100644
--- a/module/data/Item/Weapon.mjs
+++ b/module/data/Item/Weapon.mjs
@@ -3,6 +3,17 @@ const { fields } = foundry.data;
 export class WeaponData extends foundry.abstract.TypeDataModel {
 	static defineSchema() {
 		return {
+			traits: new fields.SetField(
+				new fields.StringField({
+					blank: false,
+					trim: true,
+					nullable: false,
+				}),
+				{
+					nullable: false,
+					required: true,
+				},
+			),
 		};
 	};