IPWorks IoT 2020 Node.js Edition

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OutgoingMessageContentType Property

The content type of this message's data.

Syntax

 amqp.getOutgoingMessageContentType(index, [callback])

Default Value

""

Callback

The 'callback' parameter specifies a function which will be called when the operation completes (or an error is encountered). If the 'callback' parameter is not specified, then the method will block and will not return until the operation completes (or an error is encountered).

The callback for the getOutgoingMessageContentType([callback]) method is defined as:

function(err, data){ }

'err' is the error that occurred. If there was no error, then 'err' is 'null'.

'data' is the value returned by the method.

The callback for the setOutgoingMessageContentType([callback]) method is defined as:

function(err){ }

'err' is the error that occurred. If there was no error, then 'err' is 'null'.

'err' has 2 properties which hold detailed information:

err.code
err.message

Remarks

The content type of this message's data.

This property specifies the content type of this message's data. It may be empty if this message does not have a content type set.

When constructing a message for sending, this property is ignored if OutgoingMessageValueType is not set to mvtBinary (16).

The index parameter specifies the index of the item in the array. The size of the array is controlled by the OutgoingMessageCount property.

This property is read-only and not available at design time.

Data Type

String

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IPWorks IoT 2020 Node.js Edition - Version 20.0 [Build 8265]