public void setIdentity(String identity) {
        this.identity = identity;
    }
<p>
Identity of the decider making the request. This enables diagnostic tracing when problems arise. The form of this
identity is user defined.
</p>

@param identity
       Identity of the decider making the request. This enables diagnostic tracing when problems arise. The form
       of this identity is user defined.
aws-java-sdk-simpleworkflow/src/main/java/com/amazonaws/services/simpleworkflow/model/DecisionTaskStartedEventAttributes.java