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Reuse Custom attributes across different WI types

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Hi Sam,

Each work item has its own instance of a given attribute, so it's isn't a single attribute holding two values ... it is two instances of the attribute, each with their own value.

What Geoff said..
in the setup you define the variables for each INSTANCE, from the available choices which are global in the project.
When u add the variable to the workitem presentation, you add it as a variable to that workitem type instance.
a weird problem tho.. as you can change a workitem type from story to defect to task to story..
if you complete the field on one workitem and change the value moves along to the new field.. but if the same field in the new layout already HAS a value.. what happens to that?