Minecraft wiki entry for Predicate, associated text: entity_properties—Checks properties of an entity. Invokable from any context.
 entity: The entity to check. Set to this to use the entity that invoked this condition, killer for the killer of the this entity, or killer_player to only select the killer if they are a player.
 predicate: Predicate applied to entity, uses same structure as advancements.
All possible conditions for entities[show]