@jaricardodev/ews-javascript-api/src/js/Enumerations/RetentionType.ts

EWS Managed api in JavaScript

/**
 * Defines the retention type.
 */
export enum RetentionType {
    
    /**
     * Delete retention.
     */
    Delete = 0,
    
    /**
     * Archive retention.
     */
    Archive = 1
}