How to make a AJAX call?

Frappe Builder
1

In the following code I want to fetch data from my doctype of Item and make a new entry in the Cart doctype using AJAX:

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Doctype details:

  1. Item(child doctype) → (item_name, price, quantity)
  2. Cart(parent doctype) → (user, Item Table, total_price)
2

@Hamza3351 check this Frappe Ajax Call

3

So according to documentation, I have made a function but it is giving an error:

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4

Following is the code of function:

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5

Sending some hardcoded values into the function:

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6

I am confused in using frappe.call here…

7

In the following discussion I have solved this issue by using another approach called async/await, here is the link: