> For the complete documentation index, see [llms.txt](https://thisistails.gitbook.io/tailslib/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://thisistails.gitbook.io/tailslib/custom-blocks/block-manager.md).

# Block manager

## About manager

Custom block manager is similar to custom items manager so for more info read [Item manager](/tailslib/custom-items/item-manager.md#about-manager)

## Access the manager

```java
Managers.getCustomBlockManager();
// or
CustomBlockManager.getManager();
```

## Get registered custom block

```java
CustomBlockManager manager = CustomBlockManager.getManager();

manager.customBlock("ID").ifPresent(block -> {
    // CODE
});
// OR
CustomBlock block = manager.customBlock("ID").orElse(null);
```

## Get all registered blocks

```java
CustomBlockManager manager = CustomBlockManager.getManager();
List<CustomBlock> blocks = manager.registeredCustomBlocks();
```

## Register a block

```java
CustomBlockManager manager = CustomBlockManager.getManager();
manager.register(new MyBlock());
```

## Removing a custom block at position

```java
CustomBlockManager manager = CustomBlockManager.getManager();
manager.removeAt(Block or Location);
// or | and
manager.removeAt(Block or Location, force?);
```

In the second method we see argument "force". Force means that this block will be deleted without notification AKA `destroyRequest` event will not fire for this instance of block.

## Get a block at location

```java
CustomBlockManager manager = CustomBlockManager.getManager();
manager.placedAt(Location).ifPresent((runtime) -> {
    // code
});
// OR
CustomBlockRuntime runtime = manager.placedAt(Location).orElse(null);
```

## Get all blocks

```java
CustomBlockManager manager = CustomBlockManager.getManager();
List<CustomBlockRuntime> blocks = manager.allBlocksPlaced();
```

### All block placed by someone

{% hint style="info" %}
This operation is may be slow since this method need to search through all blocks.
{% endhint %}

```java
CustomBlockManager manager = CustomBlockManager.getManager();
List<CustomBlockRuntime> blocks = manager.allBlocksPlaced(Player.getUniqueId());
```

### All block placed in area

{% hint style="info" %}
This operation may be slow since this method need to search through all blocks.
{% endhint %}

```java
CustomBlockManager manager = CustomBlockManager.getManager();
List<CustomBlockRuntime> blocks = manager.allBlockPlaced(Location 1, Location 2);
```

## Place a block

```java
CustomBlockManager manager = CustomBlockManager.getManager();
PlaceBlockOptions options = PlaceBlockOptions.builder()
    .block(CustomBlock) // REQUIRED
    .location(Location) // REQUIRED
    .owner(UUID) // Optional
    .replace(Boolean) // Optional
    .build();
manager.placeBlock(options).ifPresent((runtime) -> {
    // code
});
// OR
CustomBlockRuntime placedBlock = manager.placeBlock(options).orElse(null);
```


---

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