> ## Documentation Index > Fetch the complete documentation index at: /llms.txt > Use this file to discover all available pages before exploring further. # Caret Swap > A gradient caret expands over one phrase, collapses to the left, then types its replacement with a blinking caret. # Caret Swap A gradient caret expands over one phrase, collapses to the left, then types its replacement with a blinking caret. **Caret Swap** ```html caret-swap.html Caret Swap ``` Copy npx hyperframes add caret-swap to the clipboard That writes `compositions/components/caret-swap/caret-swap.html`, plus 2 supporting files under `compositions/components/caret-swap/`. ## Paste it into your composition Open `compositions/components/caret-swap/caret-swap.html` and copy what is inside into your own composition. A component has no size or duration of its own. It takes both from the composition you paste it into. ## Variables Every one of these has a default, so the piece works untouched. Set the ones you want to change on the element: | Variable | Default | Accepts | What it does | | - | - | - | - | | `from_text` | `Executing it?` | string | The phrase covered by the expanding caret. | | `to_text` | `That's where everyone quits` | string | The replacement phrase, typed one character at a time. | | `font_size` | `72` | 36px to 160px, step 2px | Maximum size in pixels. Both phrases shrink together to fit the host. | | `font_weight` | `400` | `400`, `500`, `600`, `700` | Weight used by both phrases. Every option is included in the bundled Geist font. | | `color` | `#171717` | color | Color of both phrases. | | `caret_color` | `#FF4DAA` | color | Top color of the caret gradient. | | `caret_color_end` | `#8A5CF6` | color | Bottom color of the caret gradient. | Set them with `data-variable-values` on the element that mounts it. These are the defaults, so this behaves exactly like the preview above until you change one: ```html wrap
``` {/* hf:generated-footer */} Tagged `motion-primitive` `text-effects` `typography` `swap` `typewriter` `remocn-port`. Created by [Remocn](https://github.com/Remocn/remocn). ## Related topics * [Browse the complete Catalog](/catalog.md) * [Add assets and Catalog items in the browser editor](/studio/assets-and-blocks.md) * [Put blocks together into one video](/concepts/compositions.md)