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[Home](./index.md) &gt; [@empathyco/x-components](./x-components.md) &gt; [CollapseHeight](./x-components.collapseheight.md)

## CollapseHeight variable

Renders a transition wrapping the element passed in the default slot and animating it with a height animation.

**Signature:**

```typescript
_default: import("vue").DefineComponent<{
    appear: {
        type: BooleanConstructor;
        default: boolean;
    };
}, {
    expand: (element: HTMLElement) => void;
    cleanUpAnimationStyles: (element: HTMLElement) => void;
    collapse: (element: HTMLElement) => void;
}, unknown, {}, {}, import("vue").ComponentOptionsMixin, import("vue").ComponentOptionsMixin, {}, string, import("vue").PublicProps, Readonly<import("vue").ExtractPropTypes<{
    appear: {
        type: BooleanConstructor;
        default: boolean;
    };
}>>, {
    appear: boolean;
}, {}>
```