## Boolean setting.edit.drag.autoExpandTrigger

### Overview[ depends on jquery.ztree.exedit js ]

When drag node cause the parent node is automatically expanded, set whether to allow to trigger the 'onExpand' callback. It is valid when [setting.edit.enable = true]

Default: false

### Boolean Format

true means: trigger the 'onExpand' callback.

false means: don't trigger the 'onExpand' callback.

### Examples of setting

#### 1. Set to allow to trigger the 'onExpand' callback

    var setting = {
    	edit: {
    		enable: true,
    		drag: {
    			autoExpandTrigger: true
    		}
    	}
    };
    ......