Duo_Liang submitted October 8 2018 Sign in to Download Code Share Optional Signature is a new feature introduced since 11.19. So please make sure your SDK version is 11.19 or higher. This simple example shows you how to create a package with optional approval in .Net SDK. Rate this Code Share Rating is PoorRating is Not so poorRating is AverageRating is GoodRating is Very good Save