# path.join ## Function Splice the current path and subsequent path segments. ## Syntax ```bt path(base).join(part1, part2, ...) ``` ## Parameters | Parameters | Type | Required | Default value | Description | | ------ | ------ | ------ | ------ | ------ | | part | String | No | None | Path fragment. | ## Return value | Type | Description | | ------ | ------ | | String | The concatenated and normalized path. | ## Code Example ```bt result = path('root').join('docs', 'index.md') // Output: root/docs/index.md print result ``` ## Notes - Return values use `/` as delimiter.