[v.1.0.3] InstancesInfo, simple API for ReflectionService

NOTEKAMI · November 21, 2025, 1:02am

As you know Roblox just released ReflectionService, that allow you to get Instance(s) information, such as:

Instance superclass
Instance properties
Instance signals (events)
Instance methods
Is instance/propertie deprecated
Propertie write/read security capabilities
Propertie value type
Etc

This allowing you to get all Information without using HttpService.

🔨 Features

Simple API
Server/Client/Plugin RunContext support
Typecasted (Including function description)

Icon	Link	Note
	Module	Get latest version
Github960×960 16 KB	Github	Open source code

Feel free to give feedback

ossuarys · November 21, 2025, 1:39am

Nice, heres mine I made the other day.

--!strict
local ReflectionService = game:GetService('ReflectionService')

local reflection = {}
local cachedProperties = {}
local cachedClasses = {}
local classes = nil

function reflection.getValidPropertiesFromClass(class : string, filter : ReflectionMemberFilter?) : {
		Name: string,
		Serialized: boolean,
		Type: ReflectionType,
		ContentType: Enum.AssetType?,
		Display: {
			Category: string,
			DepreciationMessage: string?,
			LayoutOrder: number,
		}?,
		Permits: {
			Read: SecurityCapabilities?,
			ReadParallel: SecurityCapabilities?,
			Write: SecurityCapabilities?,
			WriteParallel: SecurityCapabilities?,
		},
	}
	
	local instance = Instance.new(class)
	local properties = reflection.getPropertiesFromClass(class, filter, false)
	
	local valid = {}
	
	for _, v : any in properties do
		local succ, result = pcall(function()
			return instance[v.Name]
		end)
		
		if succ then
			table.insert(valid, v)
		end
	end
	
	instance:Destroy()
	
	return valid :: any
end

function reflection.getPropertiesFromClass(class : string, filter : ReflectionMemberFilter?, validOnly : boolean?) : {
		Name: string,
		Serialized: boolean,
		Type: ReflectionType,
		ContentType: Enum.AssetType?,
		Display: {
			Category: string,
			DepreciationMessage: string?,
			LayoutOrder: number,
		}?,
		Permits: {
			Read: SecurityCapabilities?,
			ReadParallel: SecurityCapabilities?,
			Write: SecurityCapabilities?,
			WriteParallel: SecurityCapabilities?,
		},
	}
	
	if validOnly ~= nil and validOnly == true then
		return reflection.getValidPropertiesFromClass(class, filter)
	end
	
	if cachedProperties[class] and filter == nil then
		return cachedProperties[class]
	end
	
	if filter ~= nil then
		return ReflectionService:GetPropertiesOfClass(class, filter)
	end

	cachedProperties[class] = ReflectionService:GetPropertiesOfClass(class)
	return cachedProperties[class]
end

function reflection.getProperties(instance : Instance, filter : ReflectionMemberFilter?, validOnly : boolean?) : {
		Name: string,
		Serialized: boolean,
		Type: ReflectionType,
		ContentType: Enum.AssetType?,
		Display: {
			Category: string,
			DepreciationMessage: string?,
			LayoutOrder: number,
		}?,
		Permits: {
			Read: SecurityCapabilities?,
			ReadParallel: SecurityCapabilities?,
			Write: SecurityCapabilities?,
			WriteParallel: SecurityCapabilities?,
		},
	}
	
	return reflection.getPropertiesFromClass(instance.ClassName, filter, validOnly)
end

function reflection.getPropertyNamesFromClass(class : string, filter : ReflectionMemberFilter?, validOnly : boolean?) : {string}
	local properties = reflection.getPropertiesFromClass(class, filter, validOnly)

	local propNames = {}

	for _, v : any in properties do
		table.insert(propNames, v.Name)
	end

	return propNames
end

function reflection.getPropertyNames(instance : Instance, filter : ReflectionMemberFilter?, validOnly : boolean?) : {string}
	local class = instance.ClassName
	
	return reflection.getPropertyNamesFromClass(class, filter, validOnly)
end

function reflection.getClasses(filter : ReflectionClassFilter?) :{
		[number] : {
			Name: string,
			Superclass: string?,
			Subclasses: {string},
			Display: {
				Category: string,
				DeprecationMessage: string?,
			}?,
			Permits: {
				GetService: SecurityCapabilities?,
				New: SecurityCapabilities?,
			}
		}
	}
	
	if filter == nil then
		if classes then
			return classes
		end
		
		classes = ReflectionService:GetClasses()
		return classes
	end
	
	return ReflectionService:GetClasses(filter)
end

function reflection.getClass(className : string, filter : ReflectionClassFilter?) : {
		Name: string,
		Superclass: string?,
		Subclasses: {string},
		Display: {
			Category: string,
			DeprecationMessage: string?,
		}?,
		Permits: {
			GetService: SecurityCapabilities?,
			New: SecurityCapabilities?,
		}
	}
	
	if cachedClasses[className] and filter == nil then
		return cachedClasses[className]
	end
	
	if filter then
		return ReflectionService:GetClass(className, filter)
	end
	
	cachedClasses[className] = ReflectionService:GetClass(className)
	return cachedClasses[className]
end

function reflection.getClassFromInstance(instance : Instance, filter : ReflectionClassFilter?) : {
		Name: string,
		Superclass: string?,
		Subclasses: {string},
		Display: {
			Category: string,
			DeprecationMessage: string?,
		}?,
		Permits: {
			GetService: SecurityCapabilities?,
			New: SecurityCapabilities?,
		}
	}
	
	local className = instance.ClassName
	
	return reflection.getClass(className, filter)
end

local reflectionInstance = {}
type reflectionInstance = {
	getProperties : (reflectionInstance, filter : ReflectionMemberFilter?, validOnly : boolean?) -> {
		Name: string,
		Serialized: boolean,
		Type: ReflectionType,
		ContentType: Enum.AssetType?,
		Display: {
			Category: string,
			DepreciationMessage: string?,
			LayoutOrder: number,
		}?,
		Permits: {
			Read: SecurityCapabilities?,
			ReadParallel: SecurityCapabilities?,
			Write: SecurityCapabilities?,
			WriteParallel: SecurityCapabilities?,
		},
	},
	
	getPropertyNames : (reflectionInstance, filter : ReflectionMemberFilter?, validOnly : boolean?) -> {string}
}

function reflection.new(instance : Instance) : reflectionInstance & any
	return setmetatable({inst = instance}, {__index = reflectionInstance, __newindex = function(t, key, value)
		if pcall(function() return (instance :: any)[key] end) then
			(instance :: any)[key] = value
		else
			rawset(t, key, value)
		end
	end}) :: any
end

function reflectionInstance:getProperties(filter : ReflectionMemberFilter?, validOnly : boolean?): {
		Name: string,
		Serialized: boolean,
		Type: ReflectionType,
		ContentType: Enum.AssetType?,
		Display: {
			Category: string,
			DepreciationMessage: string?,
			LayoutOrder: number,
		}?,
		Permits: {
			Read: SecurityCapabilities?,
			ReadParallel: SecurityCapabilities?,
			Write: SecurityCapabilities?,
			WriteParallel: SecurityCapabilities?,
		},
	}
	local class = self.inst.ClassName
	
	return reflection.getProperties(class, filter, validOnly)
end

function reflectionInstance:getPropertyNames(filter : ReflectionMemberFilter?, validOnly : boolean?) : {string}
	local class = self.inst.ClassName
	
	return reflection.getPropertyNamesFromClass(class, filter, validOnly)
end

return reflection

.new allows for something like this

local part = Instance.new('Part')
part = reflection.new(part)

local partProperties = part:getPropertyNames()
part.Size = Vector3.new(1, 1, 1)

for _, v in partProperties do
    print(part[v])
end

NOTEKAMI · November 23, 2025, 9:40am

Update 1.0.1

🆕Added:

GetWritableProperties(ClassName: Instance | string)
GetReadableProperties(ClassName: Instance | string)
IsPropertyReadable(ClassName: Instance | string, PropertyName: string)
IsPropertyWritable(ClassName: Instance | string, PropertyName: string)
(New name for IsPropertyEditable)
IsSignal(ClassName: Instance | string, SignalName: string)
[ CURRENTLY NOT IMPLEMENTED ]
IsMethod(ClassName: Instance | string, MethodName: string)
[ CURRENTLY NOT IMPLEMENTED ]
IsPropertyEditable / IsPropertyReadable now can return second argument if property not found

Fixes:

Added support for SecurityCapability:
** UI
** CapabilityControl
** RemoteEvent
** Chat
Blacklisted SecurityCapability:
** RobloxEngine – You can’t access this
** RobloxScript – CoreScript
** InternalTest – Special beta featues
** CSG – If i remember correctly, this is core engine physics related
** PluginOrOpenCloud

Module usage:

local InstanceInfo = require(script.Parent)
local InstanceToCheck = Instance.new(`ViewportFrame`, workspace)
local ReadableProperties = InstanceInfo.GetReadableProperties(InstanceToCheck)
local AllProperties = InstanceInfo.GetProperties(InstanceToCheck)

do type([[ Get all non-readable properties ]])
	local NotReadable = {}
	
	for I, Data in AllProperties do
		if not ReadableProperties[I] then
			NotReadable[I] = Data
		end
	end
	
	print(NotReadable)
end

do type([[ Get all current properties of Instance ]])
	local Data = {}

	for I in ReadableProperties do
		Data[I] = InstanceToCheck[I]
	end
	print(Data)
end

NOTEKAMI · December 18, 2025, 10:42am

Update 1.0.2

Fixes:

Added support for SecurityCapability:
** Enum.SecurityCapability.Unassigned
Fixed GetWritableProperties error

nix102on · February 21, 2026, 10:30am

Is this accurate for work?

NOTEKAMI · February 21, 2026, 11:17am

I’m currently making update for this module as Roblox has released new methods for ReflectionService.

For the most part yes, Roblox didn’t provide documentation for Enum.SecurityCapability, so I can’t say for sure that everything works as it should, also Roblox changes the values all the time, so there may be inaccuracies sometimes.

NOTEKAMI · February 21, 2026, 1:24pm

Update 1.0.3

Added:

AddByCapabilities(AddTo: {any}, I: string, Data: {any}, Capabilities: SecurityCapabilities) (Used by Module)
IsByCapabilities(Capabilities: SecurityCapabilities) (Used by Module)
GetAccessableSignals(ClassName: Instance | string): {[string]: ReflectedEvent}
IsSignal(ClassName: Instance | string, SignalName: string)
IsSignalAccessable(ClassName: Instance | string, SignalName: string)
GetAccessableMethods(ClassName: Instance | string): {[string]: ReflectedMethod}
GetAccessableParallelMethods(ClassName: Instance | string): {[string]: ReflectedMethod}
IsMethodAccessable(ClassName: Instance | string, MethodName: string)
IsMethodAccessableParallel(ClassName: Instance | string, MethodName: string)

Fixes:

GetSignals(ClassName: Instance | string) is now working
IsSignal(ClassName: Instance | string, SignalName: string) is now working
GetMethods(ClassName: Instance | string) is now working
IsMethod(ClassName: Instance | string, MethodName: string) is now working
Added xpcall while getting raw ReflectionService’s data (RolloutValidation is broken currently)
Code cleanup

NOTEKAMI · February 21, 2026, 1:40pm

Also, im unable to change version in title for some reason, don’t be confused by old version!

nix102on · February 21, 2026, 5:52pm

Same happening for my posts too