All acitivities done by each user will be logged in the system, whether they sign in to Xin 365, add, edit to delete any record. You can view overall activity log from the main Activity Log page, or to view from the transaction page.
On the left menu, choose Setting > Security > Activity Log. Filter the activities from the Search button on the top right of the page. Only 100 activity records will be displayed.
To read the activities done on a certain record, example on Quotation, just open the Quotation document and choose the Activity Log tab.