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In the example below the Water dispenser has 3 Occurrences in the Gymnasium but we want one of the Occurrences to be editable by a user with Hydraulic Engineer Responsibility. The Occurrence is selected and the Responsibility changed in the Occurrences Property Panel:
In general, once the Responsibility Groups have been set up, you can add any Responsibility Group you have access to, to any Item you have edit access to.
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