https://learn.microsoft.com/en-us/dotnet/api/system.servicemodel.channels.httprequestmessageproperty.suppressentitybody?view=netframework-4.8.1
HttpRequestMessageProperty.SuppressEntityBody Property (System.ServiceModel.Channels) | Microsoft...
Gets or sets a value that indicates whether the body of the message is ignored and only the headers are sent.
property systemchannelsmicrosoft