storybook/docs/configure/features-and-behavior.md

title
Features and behavior

To control the layout of Storybook’s UI you can use the setConfig addons API in your .storybook/manager.js:

<CodeSnippets paths={[ 'common/storybook-config-layout.js.mdx', ]} />

The following table details how to use the API values:

Name	Type	Description	Example Value
isFullscreen	Boolean	Show story component as full screen	false
showNav	Boolean	Display panel that shows a list of stories	true
showPanel	Boolean	Display panel that shows addon configurations	true
panelPosition	String/Object	Where to show the addon panel	bottom or `{('bottom'
sidebarAnimations	Boolean	Sidebar tree animations	true
enableShortcuts	Boolean	Enable/disable shortcuts	true
isToolshown	String	Show/hide tool bar	true
theme	Object	Storybook Theme, see next section	undefined
selectedPanel	String	Id to select an addon panel	my-panel
initialActive	String	Select the default active tab on Mobile.	'sidebar' or `{('sidebar'
showRoots	Boolean	Display the top-level grouping as a "root" in the sidebar	false