## add(name, outlineLevel) {#string_number} Adds a Bookmark to the collection. ```js add(name: string, outlineLevel: number) ``` | Parameter | Type | Description | | --- | --- | --- | | name | stri......outlineLevel) {#string_number} Adds a bookmark to the collection. ```js add(name:...case-insensitive name of the bookmark to add. | | outlineLevel |...