public RequestCancelExternalWorkflowExecutionDecisionAttributes withWorkflowId(String workflowId) {
        setWorkflowId(workflowId);
        return this;
    }
<p>
The <code>workflowId</code> of the external workflow execution to cancel.
</p>

@param workflowId
       The <code>workflowId</code> of the external workflow execution to cancel.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-simpleworkflow/src/main/java/com/amazonaws/services/simpleworkflow/model/RequestCancelExternalWorkflowExecutionDecisionAttributes.java