public CreateAliasRequest withFunctionVersion(String functionVersion) {
        setFunctionVersion(functionVersion);
        return this;
    }
<p>
The function version that the alias invokes.
</p>

@param functionVersion
       The function version that the alias invokes.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-lambda/src/main/java/com/amazonaws/services/lambda/model/CreateAliasRequest.java