Specifications
All XINS specification files are Plain Old XML. Compared to SOAP/WSDL/UDDI/etc. the format is extremely simple. There are specifications for projects, environment lists, APIs, functions, types and error codes.
Below is an example of a XINS project definition.
Here is an example of a specification of an environment list:
An example of an API specification file:
An example of a function definition:
Read more about this topic: XML Interface For Network Services