// ------------------------------------------------------------
//  Copyright (c) Microsoft Corporation.  All rights reserved.
//  Licensed under the MIT License (MIT). See License.txt in the repo root for license information.
// ------------------------------------------------------------
[

  {
    // Example for an EnpointUrl is: opc.tcp://192.168.178.26:62541/Quickstarts/ReferenceServer
    "EndpointUrl": "opc.tcp://<your_opcua_server>:<your_opcua_server_port>/<your_opcua_server_path>",
    // Allows to access the endpoint with SecurityPolicy.None when set to false (no signing and encryption applied to the OPC UA communication), default is false.
    "UseSecurity": false,
    "OpcNodes": [
      {
        // Identifies the OPC node to publish in either NodeId format (contains "ns=") or ExpandedNodeId format (contains "nsu=")
        "Id": "i=2258",
        // Specifies the sampling interval OPC Publisher requests the server to sample the node value.
        // Value expressed in milliseconds.
        "OpcSamplingInterval": 1000,
        // Specifies the publishing interval OPC Publisher requests the server to publish the node value, it will only be published if the value has changed.
        // Value expressed in milliseconds.
        "OpcPublishingInterval": 5000,
        // Specifies that there should be a heartbeat generated by OPC Publisher, this means that after the given interval the last message will be sent again with an updated SourceTimestamp value.
        // Value expressed in seconds.
        "HeartbeatInterval": 3600
      }
    ]
  },

  {
    // Example for an EnpointUrl is: opc.tcp://192.168.178.26:62541/Quickstarts/ReferenceServer
    "EndpointUrl": "opc.tcp://<your_opcua_server>:<your_opcua_server_port>/<your_opcua_server_path>",
    // The data set writer group collecting datasets defined for a certain endpoint.
    "DataSetWriterGroup": "Asset0",
    // The unique identifier for a data set writer used to collect OPC UA nodes to be semantically grouped and published with the same publishing interval.
    "DataSetWriterId": "DataFlow0",
    // Controls whether to use a secure OPC UA mode to establish a session to the OPC UA server endpoint.
    "UseSecurity": true,
    // Enum to specify the session authentication. Options: "Anonymous", "UsernamePassword"
    "OpcAuthenticationMode": "UsernamePassword",
    // The username for the session authentication. Mandatory if OpcAuthentication mode is "UsernamePassword".
    "OpcAuthenticationUsername": "username",
    // The password for the session authentication. Mandatory if OpcAuthentication mode is "UsernamePassword".
    "OpcAuthenticationPassword": "password",
    // The DataSet collection grouping the nodes to be published for the specific DataSetWriter defined above.
    "OpcNodes": [
      {
        // Identifies the OPC node to publish using string based addressing e.g. for Siemens S7 "TCP".PLC_1.Motor_Simulation.M1.Motor_Drehzahl
        "Id": "ns=2;s=Siemens S7 \"TCP\".PLC_1.Motor_Simulation.M1.Motor_Drehzahl",
        // Specifies the sampling interval OPC Publisher requests the server to sample the node value.
        // Value expressed in Timespan string({d.hh:mm:dd.fff}).
        "OpcSamplingIntervalTimespan": "00:00:02",
        // Specifies the publishing interval OPC Publisher requests the server to publish the node value, it will only be published if the value has changed.
        // Value expressed in Timespan string({d.hh:mm:dd.fff}).
        "OpcPublishingIntervalTimespan": "00:00:05",
        // Specifies that there should be a heartbeat generated by OPC Publisher, this means that after the given interval the last message will be sent again with an updated SourceTimestamp value.
        // Value expressed in Timespan string({d.hh:mm:dd.fff}).
        "HeartbeatIntervalTimespan": "00:01:00",
        // The desired QueueSize for the monitored item to be published.
        "QueueSize": 10
      }
    ]
  },

  {
    // example for an EnpointUrl is: opc.tcp://192.168.178.26:62541/Quickstarts/ReferenceServer
    "EndpointUrl": "opc.tcp://<your_opcua_server>:<your_opcua_server_port>/<your_opcua_server_path>",
    // The data set writer group collecting datasets defined for a certain endpoint.
    "DataSetWriterGroup": "Asset0",
    // The unique identifier for a data set writer used to collect OPC UA nodes to be semantically grouped and published with the same publishing interval.
    "DataSetWriterId": "DataFlow1",
    // Controls whether to use a secure OPC UA mode to establish a session to the OPC UA server endpoint.
    "UseSecurity": false,
    // Enum to specify the session authentication. Options: "Anonymous", "UsernamePassword"
    "OpcAuthenticationMode": "Anonymous",

    // The publishing interval used for a grouped set of nodes under a certain DataSetWriter.
    // Value expressed as a Timespan string ({d.hh:mm:dd.fff}).
    "DataSetPublishingIntervalTimespan": "00:00:05",

    // The DataSet collection grouping the nodes to be published for the specific DataSetWriter defined above.
    "OpcNodes": [
      {
        // Identifies the OPC node to publish in either NodeId format (contains "ns=") or ExpandedNodeId format (contains "nsu=")
        "Id": "nsu=http://microsoft.com/Opc/OpcPlc/;s=StepUp",
        // A user defined tag to be added to the telemetry message when publisher runs in Samples message mode.
        "DisplayName":"StepUp"
      }
    ]
  },

  {
    // Example for an EnpointUrl is: opc.tcp://win10iot:51210/UA/SampleServer
    "EndpointUrl": "opc.tcp://<your_opcua_server>:<your_opcua_server_port>/<your_opcua_server_path>",
    // Allows to access the endpoint with SecurityPolicy.None when set to 'false' (no signing and encryption applied to the OPC UA communication), default is false.
    "UseSecurity": true,
    "OpcNodes": [
      // Publisher will request the server at EndpointUrl to sample the node with the OPC sampling interval specified on command line (or the default value: OPC publishing interval)
      // and the subscription will publish the node value with the OPC publishing interval specified on command line (or the default value: server revised publishing interval).
      {
        // The identifier specifies the NamespaceUri and the node identifier in XML notation as specified in Part 6 of the OPC UA specification in the XML Mapping section.
        "ExpandedNodeId": "nsu=http://opcfoundation.org/UA/;i=2258"
      },
      // Publisher will request the server at EndpointUrl to sample the node with the OPC sampling interval specified on command line (or the default value: OPC publishing interval)
      // and the subscription will publish the node value with an OPC publishing interval of 4 seconds.
      // Publisher will use for each dinstinct publishing interval (of nodes on the same EndpointUrl) a separate subscription. All nodes without a publishing interval setting,
      // will be on the same subscription and the OPC UA stack will publish with the lowest sampling interval of a node.
      {
        "ExpandedNodeId": "nsu=http://opcfoundation.org/UA/;i=2258",
        "OpcPublishingInterval": 4000
      },
      // Publisher will request the server at EndpointUrl to sample the node with the given sampling interval of 1 second
      // and the subscription will publish the node value with the OPC publishing interval specified on command line (or the default value: server revised interval).
      // If the OPC publishing interval is set to a lower value, Publisher will adjust the OPC publishing interval of the subscription to the OPC sampling interval value.
      {
        "ExpandedNodeId": "nsu=http://opcfoundation.org/UA/;i=2258",
        // the OPC sampling interval to use for this node.
        "OpcSamplingInterval": 1000
      }
    ]
  }
]