How to add and update the breadcrumb on SCA website Page

In sca, getBreadcrumbPages is a standard function to add and update the breadcrumb of the website page.An example of the function is added below

getBreadcrumbPages: function (stage) {
				var breadcrumbs = [];

				try {
					breadcrumbs.push({
						text: 'Lab Dashboard',
						href: '/dashboard'
					});
					breadcrumbs.push({
						text: 'Clinician Details',

					});
					breadcrumbs.push({
						text: 'Patient Details',

					});
					breadcrumbs.push({
						text: 'Case Details',

					});
					breadcrumbs.push({
						text: 'Confirm Your Booking',

					});
					breadcrumbs.push({
						text: 'All Booked',

					});

				} catch (e) {
					SC.Library.errorHandler('jj.ESBookpatient.Bookpatient.View', 'getBreadcrumbPages', e);
				}
				return breadcrumbs;
			}