Ciao jackvu2612, this is the project to develop a new page to manage log table data as you done for managing user roles. You have to create a new page on [login to view URL] web app to just research records on log table.
We don't need action to add/modify. We need action to delete a single or multiple rows.
filters must be: source, type, insertdata range.
grid columns must be: source,type,insertdata and first 100 chars of "message" table column.
Then you have to an icon to open a modal window with log details, on which show all information: source, type, insertdata and message.
Pay attention to display correctly message column because it can contain xml tags about soap envelope.