All parameters are optional:

• title – heading above the widget
• search_box_hint – hint visible in the box. If missing, the value will be ‘Search the documentation…’
• search_button_name – name of the search button. If missing, the value will be ‘Search.’
• kb_id – optional and used only when Multiple KBs add-on is active.
• preset – predefined styles and colors for the search box. Enter one of:    1 up to 7

Example

Widget Search Preset Styles

You can choose from seven preset styles to change the look of the search widget in KB Configuration:

KB Configuration -> Article Page -> Widgets -> Search Style Presets.
Examples of Widget Search Preset settings