# TabPanelDirectiveDescriptor

**Kind:** Constant

**Source:** [`atloria-monorepo/packages/editor/src/directive-editors/BlockLibraryDescriptors.tsx`](https://github.com/sherkety/atloria/blob/main/atloria-monorepo/packages/editor/src/directive-editors/BlockLibraryDescriptors.tsx#L163)

`::tab-panel{label="…"}` marker separating panels inside `:::tabs`.

## Definition

```ts
DirectiveDescriptor<LeafDirective>
```