Developer's Toolkit: The XML Framework for Creating New Popfly Blocks
- By Peter Varhol
- 09/01/2008
<block xmlns:xsi=http://www.w3.org/2001/XMLSchema-instance
xsi:noNamespaceSchemaLocation=http://www.popfly.com/schemas/blockschema.xsd
class=HelloWorldClass>
<operations>
<operation name=hello>
<description>Say hello.</description>
<outputs>
<output isArray=false type=string/>
</outputs>
</operation>
</operations>
</block>
About the Author
Peter Varhol is the executive editor,
reviews of Redmond magazine and has more than 20 years of experience as a software
developer, software product manager and technology writer. He has graduate degrees
in computer science and mathematics, and has taught both subjects at the university
level.