public void setFunctionVersion(String functionVersion) {
        this.functionVersion = functionVersion;
    }
<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.
@see FunctionVersion
aws-java-sdk-lambda/src/main/java/com/amazonaws/services/lambda/model/ListFunctionsRequest.java