# Adding Effects

## Adding Effects

You can then drop and effect against either the Model Group or the Model. Model groups are identified by a small group icon after the name.

![](/files/-MhOn1l2mkFxso3K4n-B)

If you double Click on the Model Group name, it will expand and show you the models that have been defined as part of the Model group - in this case the ‘Arch 1’ model. Double Click again to collapse the Model Group.

![](/files/-MhOnB_eENmgSfkE5yvZ)

## Adding Effects To a Model

First Select a Timing marks you like to use. To do this, select the circle next to timing track. In the example below, The ‘Beats’ timing marks are selected.

![](/files/-LZSJGiAz4AGORyhAlGe)

Select an effect (in this case the Bars effect) and drag it onto the grid in line with the ‘Arch 1’ model.

![](/files/-Lxo9vbrCUG7oSe-kmzP)

This is effectively placing the effect on the model.

You could also place it against the Model Group - (one line higher), in which case it applies to all models under the Group.

![](/files/-LaXkksoLrLYZ_XXpeMT)

You can grab the edge (in purple) and drag it to the right to stretch. Note that the effect shows in the Model window and in the House Preview window.

![](/files/-M06aAFQSjDsFRPQ816M)

You can change effect settings via the Effects Window. For example, change the Bars 'Palette Rep' setting from 1 to 2 by dragging the slider bar. This window can be dragged out to an another location and expanded. The windows will resize.

![](/files/-LtBGVar1Sz4zYd_zoR0)

You can change the color of the effect, by selecting a different set of colors from the Color window.

![](/files/-Lxo7jUyqjZWjfQqjfBg)

Use the highlighted keys to start, stop pause, rewind and play again. As the sequence plays, you can see the effects on the House Preview screen.

![](/files/-LbjLbtzmmMkONkZsrI9)

Select the Bars effect and drop it on the sequencer grid onto the ‘Arches’ Model Group. Play the sequence and observe the effect in the Model Preview window and House Preview windows.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://manual.xlights.org/xlights/chapters/chapter-two-quick-start-guide/adding-effects.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
