public ListFunctionsRequest withFunctionVersion(String functionVersion) {
        setFunctionVersion(functionVersion);
        return this;
    }
<p>
Set to <code>ALL</code> to include entries for all published versions of each function.
</p>

@param functionVersion
       Set to <code>ALL</code> to include entries for all published versions of each function.
@return Returns a reference to this object so that method calls can be chained together.
@see FunctionVersion
aws-java-sdk-lambda/src/main/java/com/amazonaws/services/lambda/model/ListFunctionsRequest.java