# Global Functions

Below is a list of all global functions. By “global”, we mean these functions do not require a preceding namespace - so you can call them directly, unlike other functions.

## print <a href="#print" id="print"></a>

<mark style="color:blue;">**`Function`**</mark>

Prints text to game's console. Automatically inserts a space between parameters.

#### Arguments

| Name  | Type | Description                     |
| ----- | ---- | ------------------------------- |
| `...` | ...  | Values to print in the console. |

**Example**

```lua
print('Hello world!', 123); -- prints out "Hello world! 123" to the console
```

***

## error <a href="#error" id="error"></a>

<mark style="color:blue;">**`Function`**</mark>

Prints an error text to game's console, and shuts down the script. Try to avoid using this function - use it only if an error happens which you can't recover from.

#### Arguments

| Name   | Type   | Description                               |
| ------ | ------ | ----------------------------------------- |
| `text` | string | Read [`print`](#print) for documentation. |

**Example**

```lua
error('Can't recover from this one! Error: ' .. tostring(123));
```

***

## unpack <a href="#error" id="error"></a>

<mark style="color:blue;">**`Function`**</mark>

Unpacks a table of elements.

#### Arguments

| Name  | Type    | Description |
| ----- | ------- | ----------- |
| `tbl` | `table` | Any table   |

**Example**

```lua
local message = { 'Hello', 'World' }
print(unpack(message)) -- 'Hello world'
```

***

## Delay <a href="#error" id="error"></a>

<mark style="color:blue;">**`Function`**</mark>

Delays a callback by a certain amount of time, in seconds.

#### Arguments

| Name       | Type       | Description       |
| ---------- | ---------- | ----------------- |
| `delay`    | `number`   | Delay, in seconds |
| `callback` | `function` | Callback          |

**Example**

```lua
Delay(0.5, function()
    print('Print after 0.5 seconds')
end)
```

***

## \_\_shutdown <a href="#error" id="error"></a>

<mark style="color:blue;">**`Function`**</mark>

Special function, it's called whenever the script unloads. Isn't called in case of errors.

#### Arguments

None.

**Example**

```lua
function __shutdown()
    print('Script was unloaded successfully.')
end
```


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