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In case of selecting "Answer at last step", some conditions can be defined on all activities with type multiple choice or true/false questionquestions. (Note: this only works if the activities are inside a module that is directly attached to the learning path, it doesn't work at the moment if the module is inside a course ; this feature with modules in courses will be implemented in a next release).
You will just have to select among these questions the one(s) that you want to consider for the condition, and the answers to be considered.
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