MessageSystemPropertyNames.Ack Field
Definition
Important
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A feedback message generator. This property is used in cloud-to-device messages to request IoT hub to generate feedback messages as a result of the consumption of the message by the device.
public const string Ack;val mutable Ack : stringPublic Const Ack As String Field Value
Remarks
Possible values:
- none (default): no feedback message is generated.
- positive: receive a feedback message if the message was completed.
- negative: receive a feedback message if the message expired (or maximum delivery count was reached) without being completed by the device.
- full: both positive and negative.
