| type | (string) the type of a control, set it to "button". If not specified - the "navItem" type is applied by default. |
| id | (string, number) the id of a control, auto-generated if not set |
| parent | (string) the parent of the block |
| value | (string) a value of the button. You need to set either the value or html property to the button |
| html | (string) optional, a string with HTML that should be inserted into the button |
| css | (string) adds style classes to a button |
| icon | (string) an icon of the button |
| items | (array) an array of nested controls.You can find the full list of all available controls here. If the type of a nested control is not specified, the menuItem type will be applied by default. |
| group | (string) defines the name of a group of controls a button belongs to. If one of the buttons in the group becomes active, all others automatically become inactive |
| hotkey | (string) the name of the hot key for the button |
| tooltip | (string) a tooltip for the button |
| count | (number) a badge with a number |
| countColor | (string) the color of a badge with number: "danger" | "secondary" | "primary" | "success" |
| multiClick | (boolean) if true - the "click" event will fire multiple times when the button is clicked and held; if false - the "click" event will fire on each click of the button |
| view | (string) defines the look of a button: "flat"|"link" |
| size | (string) defines the size of a button: "small"|"medium" |
| color | (string) defines the color scheme of a button: "danger"|"secondary"|"primary"|"success" |
| full | (boolean) extends a button to the full width of a form |
| circle | (boolean) makes the corners of a button round |
| loading | (boolean) adds a spinner into a button |
| hidden | (boolean) defines whether a button is hidden |
| disabled | (boolean) defines whether a button is disabled |