Topics are defined hierarchically within topic spaces. To view the access roles for a topic, first select the topic space that contains the topic to be viewed.
To view this page in the console, click the following path:
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The Topic spaces pane displays a list of topic spaces defined on the selected bus. A topic space is a hierarchy of topics used for publish/subscribe messaging. Use this pane to select the topic space that contain the topics for which you want to add, remove or modify role type assignments.