When you are apprised of something, someone tells you about it. Have customers been fully apprised of the advantages? We must apprise them of the dangers that may be involved. = notify. to tell or give someone information about something apprise sb of sth (past participle of apprendre, from aprendre; APPRENTICE)
To give notice, verbal or written; to inform; followed by of; as, we will apprise the general of an intended attack; he apprised the commander of what he had done