BasicDigitalTwin.Contents Property

Definition

This field will contain properties and components as defined in the contents section of the DTDL definition of the twin.

[System.Text.Json.Serialization.JsonExtensionData]
public System.Collections.Generic.IDictionary<string,object> Contents { get; set; }
[<System.Text.Json.Serialization.JsonExtensionData>]
member this.Contents : System.Collections.Generic.IDictionary<string, obj> with get, set
Public Property Contents As IDictionary(Of String, Object)

Property Value

System.Collections.Generic.IDictionary<System.String,System.Object>
Attributes
System.Text.Json.Serialization.JsonExtensionDataAttribute

Examples

Response<BasicDigitalTwin> getBasicDtResponse = await client.GetDigitalTwinAsync<BasicDigitalTwin>(basicDtId);
BasicDigitalTwin basicDt = getBasicDtResponse.Value;

// Must cast Component1 as a JsonElement and get its raw text in order to deserialize it as a dictionary
string component1RawText = ((JsonElement)basicDt.Contents["Component1"]).GetRawText();
var component1 = JsonSerializer.Deserialize<BasicDigitalTwinComponent>(component1RawText);

Console.WriteLine($"Retrieved and deserialized digital twin {basicDt.Id}:\n\t" +
    $"ETag: {basicDt.ETag}\n\t" +
    $"ModelId: {basicDt.Metadata.ModelId}\n\t" +
    $"Prop1: {basicDt.Contents["Prop1"]} and last updated on {basicDt.Metadata.PropertyMetadata["Prop1"].LastUpdatedOn}\n\t" +
    $"Prop2: {basicDt.Contents["Prop2"]} and last updated on {basicDt.Metadata.PropertyMetadata["Prop2"].LastUpdatedOn}\n\t" +
    $"Component1.Prop1: {component1.Contents["ComponentProp1"]} and  last updated on: {component1.Metadata["ComponentProp1"].LastUpdatedOn}\n\t" +
    $"Component1.Prop2: {component1.Contents["ComponentProp2"]} and last updated on: {component1.Metadata["ComponentProp2"].LastUpdatedOn}");

Remarks

If the property is a component, use the BasicDigitalTwinComponent class to deserialize the payload.

Applies to