public String getHandler() {
        return this.handler;
    }
<p>
The name of the method within your code that Lambda calls to run your function. Handler is required if the
deployment package is a .zip file archive. The format includes the file name. It can also include namespaces and
other qualifiers, depending on the runtime. For more information, see <a
href="https://docs.aws.amazon.com/lambda/latest/dg/foundation-progmodel.html">Lambda programming model</a>.
</p>

@return The name of the method within your code that Lambda calls to run your function. Handler is required if
        the deployment package is a .zip file archive. The format includes the file name. It can also include
        namespaces and other qualifiers, depending on the runtime. For more information, see <a
        href="https://docs.aws.amazon.com/lambda/latest/dg/foundation-progmodel.html">Lambda programming
        model</a>.
aws-java-sdk-lambda/src/main/java/com/amazonaws/services/lambda/model/CreateFunctionRequest.java