The function of mass communication that supplies information about processes, issues, events and societal developments is known as

Supplying information about processes, issues, events and social developments is the surveillance function of mass communication.

Content supply is not the standard name for this function of the media.

Gratification refers to the satisfaction audiences seek, not the information supplying role.

Correlation is the function of interpreting and connecting information, not gathering it.

Surveillance works like the media keeping watch over the environment for the public.

This idea comes from Lasswell's classic functions of communication.