More Control Over Custom Properties You have more control over custom properties and cut list properties. This functionality is available only when the part is created in SOLIDWORKS 2018. Contents Adding an @ Sign Before Quotation Marks When you define a custom file property or cut list property that includes a single or double quotation mark (‘ or “), type an @ sign in front of the quotation mark to ensure that the expression evaluates correctly. Unlinking and Relinking Properties to a Parent Part Parent topicParts and Features Related concepts Custom Property Improvement