How to close the form widget when it open in a popup modal window

[vidhya_mouli]

I have a widget with a button. When this button is clicked, the form widget (widget-form) opens in a modal popup.

Client Script:

api.controller = function($window, spModal) {
    /* widget controller */
    var c = this;
	c.hideWidget = c.data.hideWidget; // Accessing the server data

    // Function to handle button click
   /* c.addSkill = function() {
        var hosturl = 'https://' + $window.location.host;
        $window.open(hosturl + "/esc?id=hoif_form_page&table=cmn_skill&sys_id=-1", '_blank');
    };*/
	

	
	c.onWidget = function(widgetId, widgetInput) {
		spModal.open({
			title: 'Add Skill',
			widget: '36443729eb195a10205cf996bad0cd51', 
			widgetInput: {
				table: "cmn_skill",
				sys_id: "-1",
				view: "ess"
			},
			buttons: [],
			size:'lg'
		}).then(function(){
			console.log('widget dismissed');
		})      
	}
	

    // Check if the widget should be hidden
    c.isVisible = function() {
        // If the hideWidget variable from server is true, return false
        return !c.hideWidget; // Hide the widget if hideWidget is true
    };
};

When a user submits/saves the form, it should automatically close this popup window. Not sure how to do this?