# Effect

Source: https://help.malighting.com/grandMA3/2.3/HTML/keyword_effect.html
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To enter the Effect keyword in the command line, use one of the options:

- Press Channel until Effect appears in the command line
- Type **F** + **7**
- Type **Effect**
- Type the shortcut **Ef**

|                                            |                                                                                                         |
| ------------------------------------------ | ------------------------------------------------------------------------------------------------------- |
| ![](/img/grandma3/2-3/tip_gray-269535.png) | **Hint:**                                                                                               |
|                                            | To use the Effect keyword, make sure you assign the Effect ID type and a custom ID to a fixture first.  |

## Description

The Effect keyword is an object keyword which is used to call fixtures of the ID type Effect in the programmer.

The name of this keyword can change because it is a custom ID type. For more information see [Custom ID Type](/grandma3/2-3/patch_what_are_fixtures/). 

## Syntax

Effect \["Effect\_Name" or Effect\_Number]

## Example

- To select the fixture that uses the Effect ID 10, type:

|                                                                    |                                |
| ------------------------------------------------------------------ | ------------------------------ |
| ![](/img/grandma3/2-3/icon_commandline-input_logo_v2-0-59d23e.png) | User name\[Fixture]> Effect 10 |