...
The staff’s account need to be granted with Cart price rules permission.
5. Post-conditions
Any states that the system must be in or conditions that must be met after the use case is completed successfully. These will be met if the main flow or alternative is allowed. Some exceptions may result in failure to meet the Post-conditions.The price or promotional rule of the items configured in the Cart Price Rule appeared correctly on both Magento website and the POS front-end
6. Main flow (Required)
The most common path of interactions between the user & the system:
...