public GetFunctionRequest withFunctionId(String functionId) {
        setFunctionId(functionId);
        return this;
    }
<p>
The <code>Function</code> ID.
</p>

@param functionId
       The <code>Function</code> ID.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-appsync/src/main/java/com/amazonaws/services/appsync/model/GetFunctionRequest.java