<user xmlns="">
   <ID>2342</ID>
   <context>http://www.it-innovation.soton.ac.uk</context>
   <email>user@email.com</email>
</user>

It is effectively a placeholder for some indentification of a user within a myGrid system.

Currently, the ID is used as the userID parameter when the enactment engine communicates with the information repository (MIR), and the email is used for the enactment engine's email on completion option.

-- MarkGreenwood - 21 Jan 2003