Ryderpro

/**
* Post SquareSpace form entry to TripleSeat Form API.
*
* 0a. SquareSpace is connected to the SquareSpace form sheet.
* 0b. When a user makes a form entry in SquareSpace it is sent to a Google Sheet
*
* 1. This is a special function that looks for rows in this GoogleSheet that have not been "sent". 
* 2. This function then sends a POST request with the form data to TripleSeat. 
* 3. Then this function updates "TripleSeat Status" field to "Sent" in each row that was sent to TripleSeat.
* 4. Create a trigger in this project to run this function every 5 minutes, add yourself for script failure notifications

asmallteapot

import Foundation

extension Dictionary where Value: RangeReplaceableCollection {
    public mutating func append(element: Value.Iterator.Element, toValueOfKey key: Key) -> Value? {
        var value: Value = self[key] ?? Value()
        value.append(element)
        self[key] = value
        return value
    }
}