# Parameter.

## What does the pattern do?

- Allows users to determine the weight of different elements.

## When should the pattern be used?

- When an element such as tone, token, style,rReference needs to be defined.
- If an image ratio or image size is to be defined.

## Recommendation

- Closely related to filter. Check which one makes more sense.

## Example

 ![Example for parameter](https://digital.sbb.ch/assets/images/patternlibrary/components/en/pattern_parameter_light_en.webp "Pattern parameter")

## Specifications

[Design](https://www.figma.com/design/ASKJJ0RgQNp0TAhXBpLmXd/AI-Patterns-Documentation?node-id=2235-16706)

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Source: https://digital.sbb.ch/en/design-system/patternlibrary/patterns/parameter/