When condition example with param example

hello.xml

<?xml version="1.0" encoding="UTF-8" ?>
<Resource xmlns="http://xml.metamug.net/resource/1.0" v="1.0">
	<Request method="GET">
		<Desc> Say hello to different species </Desc>
		<Param name="type" type="text" minlength="1" />
		<!-- http://localhost:7000/backend/v1.0/hello?type=animal -->
		<Sql id="helloAnimals" when="$type eq animal"> SELECT 'Hello animals' as "message" </Sql>
		<!-- http://localhost:7000/backend/v1.0/hello?type=plant -->
		<Sql id="helloPlants" when="$type eq plant"> SELECT 'Hello plants' as "message" </Sql>
	</Request>
</Resource>