UE4 Blueprint Cheat Sheet

Blueprint Types

Type	Description
Actor	An Actor is an object that can be placed or spawned in the world.
Pawn	A Pawn is an Actor that can be controlled and receive input from a Controller.
Character	A Character is a Pawn that includes the ability to walk, run, jump, and more.
Player Controller	A Player Controller is an Actor responsible for controlling a Pawn used by the player.
Game Mode Base	A Game Mode defines the game being played, its rules, scoring, and other facets of the game type.
Actor Component	An ActorComponent is a reusable component that can be added to any actor.
Scene Component	Component that has a scene transform (location, rotation, scale) and can be attached to other scene components.

Event	Description
Event ActorBeginOverlap	Called when a collision/overlap between two actors with Generate Overlap Events enabled is detected.
Event ActorEndOverlap	Called when the actors previously overlapped stop overlapping.
Event BeginPlay	Called for all Actors when the game/level is started. Any Actors spawned after game start have this called immediately.
Event EndPlay	Called for all Actors when the game/level is ended. Any Actors spawned after game end.
Event Tick	Called on every frame of gameplay. Can be computationally expensive.
Event Destroyed	Called when the Actor is destroyed. Note: Deprecated, use Event EndPlay.
Event Hit	Called when collision settings are set up for one or more Actors involved.
Event AnyDamage	Called when general damage is to be dealt. For informational purposes.
Event PointDamage	Meant to represent damage dealt by projectiles, hit scan or melee weaponry.
Event RadialDamage	Called when parent Actor receives Radial Damage (Ex: Explosion damage or indirect damage).
Event ActorBeginCursorOver	Called when using the mouse interface and cursor is moved over an Actor.
Event ActorEndCursorOver	Called when using the mouse interface and cursor is moved off an Actor.

Type	Description
Bool	Boolean values of True or False.
Integer	Integer number (whole numbers) ex: 5, 7, 10.
Float	Floating arithmetic number ex: 3.14.
String	String of text and characters ex: "My String".
Transform	Location, rotation and scale transformation.
Vector	Vector of (X, Y, Z).
Linear Color	RGBA value of a color.
Rotator	Roll (X), Pitch (Y), Yaw (Z).