# Echo(string)

Source: https://help.malighting.com/grandMA3/2.4/HTML/lua_objectfree_echo.html
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---
## Description

The **Echo** Lua function prints a string in the [System Monitor](/grandma3/2-4/si_system_monitor/).

## Argument

- **String**:\
  The string text to be printed to the System Monitor.

## Return

This function does not return anything.

## Example

This example prints "Hello World!" on the System Monitor:

|                                                                                                                            |
| -------------------------------------------------------------------------------------------------------------------------- |
| [Copy Code](javascript:void\(0\))Lua                                                                                       |
| ```
return function()
    -- Prints 'Hellow World!' in the system monitor in yellow text.
    Echo("Hello World!")
end
``` |