# ClassValue > Dynamic scoped props support Svelte-style ClassValue inputs. **Source:** [https://scoped.svelte.page/docs/class-value](https://scoped.svelte.page/docs/class-value) --- Dynamic scoped props accept Svelte-style `ClassValue` inputs: strings, arrays, object maps, and falsy entries. ```ts import type { ClassValue } from 'svelte/elements' ``` ```svelte ``` The preprocessor turns the expression into a runtime helper call. ```svelte ``` The helper normalizes the value, removes disabled object-map keys, joins arrays, and appends the parent scope hash. ## Typing child props When a child prop is class-like, type it as `ClassValue`. ```svelte

Child content

``` That `Props` shape is a child component contract. The preprocessor does not inspect the child's TypeScript types.