It will report of the deeds were done on it whether good or evil.
Abu Horayra (May Allah be please with him) narrated that the Prophet (saws) recited (That Day, it will report its news), then said:
(Do you know what its information is?” They said: “Allah and His Messenger know better.” He said: “That it testifies about what every male or female slave (of Allah) did upon its surface. It says: ‘He did this and that on this day.’ This is its information.)
 Sunan At-Tirmidhi, chapters on Tafsir, hadith No.3353.