Toolbar Custom HTML properties
Usage
const data = [
    {
        type: "customHTML",
        id?: string | number,
        parent?: string,
        css?: string | string[],
        hidden?: boolean,
        html?: string,
    },
    // more Toolbar controls
]
Description
| type | (required) the item type, set it to "customHTML". If not specified - the "navItem" type is applied by default. | 
| id | (optional) the id of an item, auto-generated if not set | 
| parent | (optional) the parent of the item | 
| css | (optional) adds style classes | 
| hidden | (optional) defines whether an item is hidden | 
| html | (optional) a string with HTML that should be inserted into the item | 
Example
Related article: Custom HTML