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App-specific roles should default to inheriting their color space from a standard role. This default should be clearly documented in a role table. Example: https://learn.foundry.com/mari/Content/user_guide/managing_colors/color_management.htmlA well documented example of app-specific role implementation is Foundry Mari.
Undefined Roles
If a config does not define a given an expected role, it is an indication to the application that it may ask the user to select one of the a color spaces from the config. Typically a A config authored by a facility color scientist for a specific show project will typically chose a specific role, but generic configs (e.g. those produced by the OCIO config working group) may omit the roles in cases where there is more than one viable solution reasonable choice, depending on the details of a the specific workflow.
Standard Roles
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