> ## Documentation Index
> Fetch the complete documentation index at: https://docs.warpathstudios.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Events

> Fired when any equipment slot changes:

### **OnEquipmentChanged**

Fired when any equipment slot changes:

**Blueprint**:

```
Event On Equipment Changed
   Slot Index:       [int32]
   New Item:         [FItemInstance]
   Old Item:         [FItemInstance]
   Slot Definition:  [FEquipmentSlotDefinition]
   ↓
   [Update UI slot]
```

![3ef4b82eccce849222fbabe9e358c1a1.png](https://api.beta.slimwiki.com/api/v1/assets/wikis%2F4f79e6be-793b-4980-99c0-f2cf0c0e6771%2Fpages%2Fe08f61de-15eb-440f-bf65-0d9479dea51c%2Fimages%2F3ef4b82eccce849222fbabe9e358c1a1-302137c6-f1a5-4c09-8604-237e1ba6f8cc.png "3ef4b82eccce849222fbabe9e358c1a1.png")

**C++**:

```
EquipmentComponent->OnEquipmentChanged.AddDynamic(this, &AMyClass::HandleEquipmentChanged);

void AMyClass::HandleEquipmentChanged(
    int32 SlotIndex,
    const FItemInstance& NewItem,
    const FItemInstance& OldItem,
    const FEquipmentSlotDefinition& SlotDefinition)
{
    // Update equipment UI
    EquipmentUI->UpdateSlot(SlotIndex, NewItem);

    // OldItem is valid if something was previously equipped
    if (!OldItem.IsEmpty())
    {
        UE_LOG(LogTemp, Log, TEXT("Replaced %s in slot %s"),
               *OldItem.ItemID.ToString(), *SlotDefinition.SlotName.ToString());
    }
}
```

### **OnEquipmentVisualUpdate**

Fired when visuals are updated:

**C++**:

```
EquipmentComponent->OnEquipmentVisualUpdate.AddDynamic(this, &AMyClass::HandleVisualUpdate);

void AMyClass::HandleVisualUpdate(
    int32 SlotIndex,
    USkeletalMesh* NewMesh,
    const FEquipmentSlotDefinition& SlotDefinition)
{
    // NewMesh is null when the slot was cleared
}
```

### OnEquippedItemChargesChanged

**C++**:

```
EquipmentComponent->OnEquippedItemChargesChanged.AddDynamic(this, &AMyClass::HandleChargesChanged);

void AMyClass::HandleChargesChanged(int32 SlotIndex, int32 OldCharges, int32 NewCharges)
{
    // Refresh ammo counter in HUD
    HUD->SetAmmoCount(NewCharges);
}
```