A NetworkMessage with MessageType PubSubConnection is a JSON object with the fields defined in Table 192.
All fields are encoded using CompactEncoding OPC UA JSON Data Encoding defined in OPC 10000-6.
Table 192 – JSON PubSubConnection definition
|
Name |
Type |
Description |
|
MessageId |
String |
A globally unique identifier for the message. This value is mandatory. |
|
MessageType |
String |
This value shall be “ua-connection”. This value is mandatory. |
|
PublisherId |
String |
The Publisher that sent the message. This value is mandatory. |
|
Timestamp |
UtcTime |
When the message was first sent to the Middleware. This value is mandatory. |
|
Connection |
PubSubConnectionDataType |
The PubSubConnectionDataType Structure is defined in 6.2.7.5.1. The ReaderGroup lists and the Address in PubSubConnectionDataType shall be empty. The configuration properties shall not be included in the PubSubConnectionDataType, WriterGroupDataType and DataSetWriterDataType. This value is mandatory. |