Keyboard Maestro Script to Loop Through Array

keyboardMaestroXMLMenu.js

 	function createButton(variable)
		{
		return `<dict>
<key>Default</key>
<string>1|0</string>
<key>Variable</key>
<string>a`+variable+`</string>
</dict>
`
		};

function run(){
var app = Application.currentApplication()
app.includeStandardAdditions = true 
var kme = Application("Keyboard Maestro Engine")

var variables = kme.getvariable("Items").split('\n')
var buttonVariables = [];
for (var variable of variables)
		{
		buttonVariables.push(createButton(variable))
	}

kme.doScript(`<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<array>
	<dict>
		<key>Buttons</key>
		<array>
			<dict>
				<key>Button</key>
				<string>OK</string>
			</dict>
			<dict>
				<key>Button</key>
				<string>Cancel</string>
				<key>Cancel</key>
				<true/>
			</dict>
		</array>
		<key>MacroActionType</key>
		<string>PromptForUserInput</string>
		<key>Prompt</key>
		<string>Please enter the details for these variables.</string>
		<key>TimeOutAbortsMacro</key>
		<true/>
		<key>Title</key>
		<string>Untitled</string>
		<key>Variables</key>
		<array>`+buttonVariables.join('\n')+`
		</array>
	</dict>
</array>
</plist>
`)
selectedVariables = []
for (let variable of variables) { 
if (kme.getvariable('a'+variable) == 1)
selectedVariables.push(variable)
}

return selectedVariables.join('\n')
}