I've got the 'Add Linked Knowledge' action as an optional action on my statusbut it's not available when I launch an instance of that process.
This is a bit confusing. While this is added as an optional action in the process it will never appear in the actions list.
Instead, in order to use this feature you will need to use the magnifying glass to search the knowledge base, right click one of the results, then select attach. Assuming that the linked knowledge collection is set to show on your process tree for that window you should then be able to see this.
A word of warning: The detach linked knowledge action does not work properly and shouldn't be used.
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