UE5 doesn't see the variable.

trigger.cpp

// Fill out your copyright notice in the Description page of Project Settings.


#include "Trigger.h"

UTrigger::UTrigger()
{
    // Установите этот компонент на инициализацию при запуске игры и его обновление каждый кадр. Вы можете отключить эти функции
    // для повышения производительности, если они вам не нужны.
    PrimaryComponentTick.bCanEverTick = true;
}

void UTrigger::TickComponent(float DeltaTime, ELevelTick TickType, FActorComponentTickFunction* ThisTickFunction)
{
    Super::TickComponent(DeltaTime, TickType, ThisTickFunction);


    AActor* Actor = GetAcceptableActor();
    if (Actor != nullptr)
    {
        UE_LOG(LogTemp, Display, TEXT("Unlocking"));
    }
    else
    {
        UE_LOG(LogTemp, Display, TEXT("Relocking"));
    }

    UE_LOG(LogTemp, Display, TEXT("Hello, World"));
}

AActor* UTrigger::GetAcceptableActor() const
{
    TArray<AActor*> Actors;
    GetOverlappingActors(Actors);
    for (AActor* Actor : Actors)
    {
        if (Actor->ActorHasTag(AcceptableActorTag))
        {
            return Actor;
        }
    }
    return nullptr;
}

void UTrigger::BeginPlay()
{
    Super::BeginPlay();
}

***************************************************************************************************************************************

trigger.h

// Fill out your copyright notice in the Description page of Project Settings.

#pragma once

#include "CoreMinimal.h"
#include "Components/BoxComponent.h"
#include "Trigger.generated.h"

/**
 *
 */
UCLASS(ClassGroup = (Custom), meta = (BlueprintSpawnableComponent))
class CRYPTRAIDER_API UTrigger : public UBoxComponent
{
    GENERATED_BODY()

public:
    UTrigger();

public:
    virtual void TickComponent(float DeltaTime, ELevelTick TickType, FActorComponentTickFunction* ThisTickFunction) override;

protected:
    // Called when the game starts
    virtual void BeginPlay() override;

private:
    UPROPERTY(EditAnywhere)
    FName AcceptableActorTag;

    AActor* GetAcceptableActor() const;
};