Host Overview

The Host namespace is the top-level entry point for all host services — command execution, dialog management, object access, engine services, file I/O, signals, and more.

Properties

Property	Type	Writable	Example	Description
Classes	object	No	Host.Classes.createInstance(id)	Class factory and inspection
Console	object	No	Host.Console.writeLine(text)	Console output for debugging
Engine	object	No	Host.Engine.TrackFormats	Track format, color, speaker, and formatter helpers
GUI	object	No	Host.GUI.Commands.interpretCommand(...)	Command execution, dialogs, clipboard, themes, URL handling
Interfaces	object	No	Host.Interfaces.IEditTask	Interface capability markers for this.interfaces
IO	object	No	Host.IO.openTextFile(path)	File read/write, JSON, XML, Base64
Objects	object	No	Host.Objects.getObjectByUrl(url)	URL-based host object access
Results	object	No	Host.Results.kResultOk	Standard result code constants
Services	object	No	Host.Services.getInstance(id)	Service locator for inter-script singleton access
Settings	object	No	Host.Settings.getAttributes()	Script-local key-value persistence between phases
Signals	object	No	Host.Signals.signal(ch, name, payload)	Pub/sub messaging between scripts
SystemInfo	object	No	Host.SystemInfo.getLocalTime()	System time access
studioapp	object	No	Host.studioapp.interpretCommand(...)	Root URL object, same as ://hostapp

Methods

Method	Returns	Parameters	Description
Host.Attributes(array)	object	array — flat key-value array (["key", "val", ...])	Wrap a key-value array into an Attributes object
Host.DateTime(date)	object	date — date string (e.g. "2026/01/01")	Parse a date string into a DateTime object
Host.Url(path)	object	path — URL string (e.g. "local://$USERCONTENT/...")	Construct a URL path object
Host.getPlatform()	string	none	Detect current platform ("win" or "mac")
Host.sleep(ms)	—	ms — milliseconds to sleep	Sleep for a given duration