Frappe.view.calendar not working

hey i wrote the code as below but i have nothing at calendar window not even its title changed.

manage_calendar.js:

frappe.views.calendar[“Manage”] ={
field_map: {
“start”: “start”,
“end”: “end”,
“id”: “name”,
“title”: “title”,
“status”: “status”,
},
options: {
header: {
left: ‘prev,next today’,
center: ‘title’,
right: ‘month’
}
},
get_events_method: “manage_task.api.get_meetings”
}

api.py

@frappe.whitelist()
def get_meetings(start,end):
if not frappe.has.permissions(“Manage Task”,“read”):
raise frappe.PermissionError

return frappe.db.sql(""" select 
	timestamp(`date`,from_time) as start,
	timestamp(`date`,to_time) as end,
	name,
	title,
	status
	from `tabManage Task`  where date between %(start)s and %(end)s """,{
		"start": start,
		"end": end
	}, as_dict=True)

Im very new to frappe please tell how did you able view this