---
title: "ConstrainBooleanOrDOMStringParameters | JavaScript maps SDK"
description: "Documentation for MapTiler SDK"
---

# Interface ConstrainBooleanOrDOMStringParameters

interface ConstrainBooleanOrDOMStringParameters {  
    [exact](#exact)?: string | boolean;  
    [ideal](#ideal)?: string | boolean;  
}

##### Index

### Properties[](#properties)

[exact?](#exact) [ideal?](#ideal)

## Properties[](#properties-1)

### `Optional`exact[](#exact)

exact?: string | boolean

### `Optional`ideal[](#ideal)

ideal?: string | boolean