public StructuredMessage withStructuredMessageDefinition(java.util.Collection<StructuredMessageFieldNameAndDataTypePair> structuredMessageDefinition) {
        setStructuredMessageDefinition(structuredMessageDefinition);
        return this;
    }
<p>
Represents a struct type node of the complex data structure.
</p>

@param structuredMessageDefinition
       Represents a struct type node of the complex data structure.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iotfleetwise/src/main/java/com/amazonaws/services/iotfleetwise/model/StructuredMessage.java