# Array.len

## Function

Returns the number of array elements.

## Syntax

```bt
array.len()
```

## Parameters

No parameters.

## Return value

| Type | Description |
| ------ | ------ |
| Int | Returns the length of the array. |

## Example

```bt
items = [1, 2, 3]
result = items.len()

// Output: 3
print result
```

## Notes

- Reading the length does not modify the array.