{%
    function test(name) {
        context.write("Hello " + name + "!");
    }
%}
{%
    function test2(name) {
        return "Hello " + name + "!";
    }
%}
    
    A
    
    <p>
        <c-invoke function="test('World')"/>
        <c-write value="test2('World')"/>
    </p>
    
    B
    
    <p>
        <c-def function="greeting(name, count)">
            Hello ${name}! You have ${count} new messages.
        </c-def>
        <c-invoke function="greeting" name="Frank" count="${10}"/>
        <c-invoke function="greeting('John', 20)"/>
    </p>