public RuleExecution withToken(String token) {
        setToken(token);
        return this;
    }
<p>
The system-generated token used to identify a unique request.
</p>

@param token
       The system-generated token used to identify a unique request.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-codepipeline/src/main/java/com/amazonaws/services/codepipeline/model/RuleExecution.java