Return of Reckoning

Hi everyone, I'm new to the game "and confused" so for you about a silly question.
I would like to join the Weekend Warfront: Days of Doom event but I don't know how.
What do I have to do, where to go .... Is it event a pve or a purely pvp event?
Thank you and have a nice day.

The Weekend Warfronts are for a specific scenario. While the warfront is active (typically Friday to Monday), that scenario grants bonus XP and Renown and also has extra tasks you can complete to get extra rewards. The tasks will show up in the "Live Events" section of your Tome of Knowledge. "Days of Doom" was for the Doomfist Crater scenario.

There's a new one each week so keep an eye out this Friday to see what the new Weekend Warfront will be.

Thank you, for the explanation