brotherton-erpnext/erpnext/docs/user/manual/en/customize-erpnext/custom-scripts/custom-script-examples/date-validation.md

# Date Validation


	frappe.ui.form.on("Task", "validate", function(frm) {
        if (frm.doc.from_date < get_today()) {
            frappe.msgprint(__("You can not select past date in From Date"));
            frappe.validated = false;
        }
	});

{next}
[docs] First commit for docs 2015-11-05 11:25:10 +00:00			`# Date Validation`


better validation example for developer throw "past date selected" will freeze the form and user can not correct value of from_date. but validated false will just throw the pop-up and user can correct value of from_date and save the form. Example changed from Event to Task because same is available in Custom Script Help for desk user 2016-02-22 11:46:34 +00:00			`frappe.ui.form.on("Task", "validate", function(frm) {`
[docs] First commit for docs 2015-11-05 11:25:10 +00:00			`if (frm.doc.from_date < get_today()) {`
[docs] removed the globals from documentation 2017-06-09 11:53:06 +00:00			`frappe.msgprint(__("You can not select past date in From Date"));`
			`frappe.validated = false;`
[docs] First commit for docs 2015-11-05 11:25:10 +00:00			`}`
			`});`

			`{next}`