Added a new setter and getter for preferredStyleSchemes to throw if type is not an eventTicket and moved PreferredStyleSchemes schemas

src/PKPass.ts

@@ -316,6 +316,44 @@ export default class PKPass extends Bundle {
 		return this[propsSymbol][this.type].backFields;
 	}
 
+	/**
+	 * Allows accessing to iOS 18 new Event Ticket
+	 * property `preferredStyleSchemes`.
+	 *
+	 * @throws (automatically) if current type is not
+	 * "eventTicket".
+	 */
+
+	public get preferredStyleSchemes(): Schemas.PreferredStyleSchemes {
+		return this[propsSymbol]["eventTicket"].preferredStyleSchemes;
+	}
+
+	/**
+	 * Allows setting a preferredStyleSchemes property
+	 * for a eventTicket.
+	 *
+	 * @throws if current type is not "eventTicket".
+	 * @param value
+	 */
+
+	public set preferredStyleSchemes(value: Schemas.PreferredStyleSchemes) {
+		Utils.assertUnfrozen(this);
+
+		if (this.type !== "eventTicket") {
+			throw new TypeError(
+				Messages.PREFERRED_STYLE_SCHEMES.UNEXPECTED_PASS_TYPE,
+			);
+		}
+
+		Schemas.assertValidity(
+			Schemas.PreferredStyleSchemes,
+			value,
+			Messages.PREFERRED_STYLE_SCHEMES.INVALID,
+		);
+
+		this[propsSymbol]["eventTicket"].preferredStyleSchemes = value;
+	}
+
 	/**
 	 * Allows setting a pass type.
 	 *