System.ServiceModel 4.0.0.0 System.Attribute System.AttributeUsage(System.AttributeTargets.Property | System.AttributeTargets.Field | System.AttributeTargets.All, Inherited=false) Use the attribute to attach data to the custom message type as it passes through the indigo1 system without serializing the data into a SOAP message. Represents data that is passed locally with a custom message type but not serialized into a SOAP message. Constructor 4.0.0.0 To be added. Initializes a new instance of the class. Property 4.0.0.0 System.String To be added. To be added. Gets or sets the name of the property.