public CreateFunctionRequest withRequestMappingTemplate(String requestMappingTemplate) {
        setRequestMappingTemplate(requestMappingTemplate);
        return this;
    }
<p>
The <code>Function</code> request mapping template. Functions support only the 2018-05-29 version of the request
mapping template.
</p>

@param requestMappingTemplate
       The <code>Function</code> request mapping template. Functions support only the 2018-05-29 version of the
       request mapping template.
@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/CreateFunctionRequest.java