Add a Product Bundle to Sales Order Through API

i need to know how to add a bundle to Sales Order through api and please give me an example … thanks

I’m doing this but it keeps returning “Please enter the expected delivery date”

{
“data”:{
“naming_series”:“SO-”,
“customer_name”:“Amir Hakim h.”,
“customer”:“Amir Hakim h.”,
“customer_group”:“Commercial”,
“company”:“Gomla.Online”,
“contect_person”:“Amir Hakim h.-Amir Hakim h.”,
“currency”:“EGP”,
“shipping_rule”:“DefaultShippingDelivery”,
“order_type”:“Shopping Cart”,
“conversion_rate”:1,
“selling_price_list”:“Standard Selling”,
“price_list_currency”:“EGP”,
“commission_rate”:0,
“items”: [{
“base_amount”: 135,
“qty”: 1,
“rate”: 135,
“owner”: “xxx@xxx.xxx”,
“stock_uom”: “Unit”,
“base_net_amount”: 135,
“modified_by”: “xxx@xxx.xxx”,
“base_net_rate”: 135,
“discount_percentage”: 0,
“item_name”: “BIG SAVE 12 ALMARAI Full Cream Milk###ﻢﺳﺪﻟا ﻞﻣﺎﻛ ﻰﻋاﺮﻤﻟا ﺔﺒﻠﻋ 12 ﻯﺮﺘﺷاﻭ ﺮﻓﻭ”,
“amount”: 135,
“net_rate”: 135,
“conversion_factor”: 1,
“docstatus”: 0,
“uom”: “Unit”,
“doctype”: “Sales Order Item”,
“description”: “BIG SAVE 12 ALMARAI Full Cream Milk 1L###ﺮﺘﻟ 1 ﻢﺳﺪﻟا ﻞﻣﺎﻛ ﻰﻋاﺮﻤﻟا ﺔﺒﻠﻋ 12 ﻯﺮﺘﺷاﻭ ﺮﻓﻭ”,
“base_rate”: 135,
“item_code”: “BIG SAVE 12 ALMARAI Full Cream Milk”,
“warehouse”: “Mokattam Main - GOL”,
“item_group”: “All Item Groups”,
“parenttype”: “Sales Order”,
“valuation_rate”: 130.73,
“net_amount”: 135,
“parentfield”: “items”
}],
“docstatus”:0,
“delivery_date”:“2017-07-20”,
“delivery_status”:“Not Delivered”,
“per_billed”:0,
“billing_status”:“Not Billed”,
“status”:“To Deliver and Bill”
}
}

Expected Delivery Date is mandatory field please pass the delivery_date in your api data

it worked thank you