Journal

Journal is a game-element that stores recent actions of Trainer. It contains entries with information such as: items received from spun Photo Discs at PokéStops and Gyms, caught Pokémon or Pokémon that returned from defended Gyms.

Journal page
To enter the Journal page player has to:
 * in the Map View click on Avatar's HUD in the bottom-left corner,
 * on the Trainer page click on the Journal button below the Trainer's level bar.

Registered actions
There are plenty of in-game activities and actions that have their journal entries. Most of these entries are for activities related to specific Pokémon, thus there are icon of them next to te entries. Some of these entries have icon responding to the game elements which activities were related with. All kinds of entries in Journal has the date and the time of performed action.

These are kinds of actions that are stored as entries in Journal:
 * Catching Pokémon and hatching an Egg related actions:
 * Pokémon caught - informs about CP of specific Pokémon.
 * Pokémon ran away - informs about CP of specific Pokémon.
 * Pokémon hatched - informs about CP of specific Pokémon.
 * Buddy Pokémon related actions:
 * Buddy Pokémon found a candy.
 * Items from spun Photo Disc related actions:
 * Items received from spun Photo Disc at PokéStop - informs about number and specific items received from PokéStop.
 * Items received from spin Photo Disc at gym - informs about number and specific items received from gym.
 * Research tasks related actions:
 * Completed Research task - informs about Item rewarded.
 * Research Breakthrough achieved.
 * Friends related actions:
 * Items received from Gifts sent by Friends - informs about Items received from opened gift.
 * Gift sent to a friend.
 * Trainer Battle related actions.
 * GO Battle League related actions.
 * Battling Team GO Rocket members related actions.

Registered actions
There were some informational entries stored in the Journal initially, but they were moved to Notifications tab in the view of in-game news. These entries are:
 * Pokémon defending a Gym returned - informs about optional PokéCoins received for a defending a gym or a daily limit of these PokéCoins reached;
 * Pokémon defending a Gym needs a treat.

Some of these Notification Tab entries are not related directly to player's actions but to social features such as Friends and Gifts. These entries are:
 * Friend sent a gift;
 * Friend received and opened a gift - informs about number and kinds of items that friends receive from gift sent by player.

Trivia

 * Journal page unlike most of scrollable page in the game cannot be quit by swiping page downwards at its very top to make X mark appear above the content.
 * Due to some bugs, player can sometimes see recently Pokémon hatched from egg, before even seeing the hatching animation in the first place. However, quitting journal and profile pages triggers hatching animation as it can be only started from Map View screen.