# Module Access Conditions
Within the Mango system, instructors can add conditions for accessing activities within a course module on their own. This ensures that learners have access to the content in a complete and sequential manner without skipping any modules.
The condition setting in the Mango system can be divided into two types:
* Prerequisites: These are the initial requirements that learners must complete before moving on to the next module. This setting requires having more than one module to ensure learners follow the proper sequence.
* Requirements: These specify the modules and activities that learners must complete within a module in order to consider it finished.
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