The command to execute when the item is selected.
Optional icon for the item.
The unique ID of the toolbar item.
Optional text of the item.
Strings in the format `$(iconIdentifier~animationType) will be treated as icon references. If the iconIdentifier begins with fa-, Font Awesome icons will be used; otherwise it will be treated as Codicon name.
You can find Codicon classnames here: https://microsoft.github.io/vscode-codicons/dist/codicon.html
You can find Font Awesome classnames here: http://fontawesome.io/icons/
The type of animation can be either spin or pulse.
Optional tooltip for the item.
Optional group for the item. Default
navigation.navigationgroup will be inlined, while all the others will appear in the...dropdown. A group in formatsubmenu_group_1/submenu 1/.../submenu_group_n/ submenu n/item_groupmeans that the item will be located in a submenu(s) of the...dropdown. The submenu's title is named by the submenu section name, e.g.group/<submenu name>/subgroup.