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[grouper-users] Explanation of attributes

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  • From: Nathan Kopp <>
  • To: "" <>
  • Subject: [grouper-users] Explanation of attributes
  • Date: Wed, 4 May 2011 10:51:24 -0400
  • Accept-language: en-US
  • Acceptlanguage: en-US

I’m wondering if there is some documentation out that explains some of the intricate details of Grouper’s attribute system and the motivation behind it.  I’ve been able to get attributes working, but some aspects leave me confused.


For example, we already have four steps necessary to assign an attribute value to an entity:



Attribute Assignment (assignAttribute;  optional)

Attribute Value (assignValue)


I noticed that 1.6 added another API-accessible layer: AttributeDefType


As a new Grouper user, all of these layers seem like they add lots of flexibility, but also lots of complexity.  I’ve seen documentation showing examples of how to use each layer (so I have been able to make it work), but I have not yet found anything that explains the PURPOSE of each layer, and why each exists separate from the others.  Therefore, I don’t yet know why I would want to do anything other than what the examples show.  Has such an explanation already been written?




Nathan Kopp

Applications Strategist

Information Technology Group

Campus Crusade for Christ, Int’l

407-826-2939 Office | 407-484-8485 Mobile | 407-826-2968 Fax


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