Property Types

Complete reference for all supported property types in .rbxjson files.

Primitive Types

string

"Name": { "type": "string", "value": "Hello" }

bool

"Anchored": { "type": "bool", "value": true }

int / int32 / int64

"Count": { "type": "int", "value": 42 }

float / float32 / float64

"Transparency": { "type": "float", "value": 0.5 }

Vector Types

Vector2

"Position": {
  "type": "Vector2",
  "value": { "x": 100, "y": 200 }
}

Vector3

"Size": {
  "type": "Vector3",
  "value": { "x": 4, "y": 1, "z": 2 }
}

Transform Types

CFrame

"CFrame": {
  "type": "CFrame",
  "value": {
    "position": [0, 10, 0],
    "rotation": [1, 0, 0, 0, 1, 0, 0, 0, 1]
  }
}

Rotation is a 3x3 matrix stored as 9 values (row-major).

Color Types

Color3

Floating-point RGB (0-1 range):

"Color": {
  "type": "Color3",
  "value": { "r": 1, "g": 0.5, "b": 0 }
}

Color3uint8

Integer RGB (0-255 range):

"Color": {
  "type": "Color3uint8",
  "value": { "r": 255, "g": 128, "b": 0 }
}

BrickColor

BrickColor number:

"BrickColor": {
  "type": "BrickColor",
  "value": 194
}

UI Types

UDim

"Width": {
  "type": "UDim",
  "value": { "scale": 0.5, "offset": 10 }
}

UDim2

"Size": {
  "type": "UDim2",
  "value": {
    "x": { "scale": 0.5, "offset": 0 },
    "y": { "scale": 1, "offset": -20 }
  }
}

Rect

"SliceCenter": {
  "type": "Rect",
  "value": {
    "min": { "x": 10, "y": 10 },
    "max": { "x": 90, "y": 90 }
  }
}

Range Types

NumberRange

"Range": {
  "type": "NumberRange",
  "value": { "min": 0, "max": 100 }
}

NumberSequence

"Transparency": {
  "type": "NumberSequence",
  "value": [
    { "time": 0, "value": 0 },
    { "time": 0.5, "value": 1 },
    { "time": 1, "value": 0 }
  ]
}

ColorSequence

"Color": {
  "type": "ColorSequence",
  "value": [
    { "time": 0, "color": { "r": 1, "g": 0, "b": 0 } },
    { "time": 1, "color": { "r": 0, "g": 0, "b": 1 } }
  ]
}

Enum Type

"Material": {
  "type": "Enum",
  "value": { "enumType": "Material", "value": "Plastic" }
}

Content Type

Asset URLs:

"Image": {
  "type": "Content",
  "value": "rbxassetid://123456"
}

Font Type

"FontFace": {
  "type": "Font",
  "value": {
    "family": "rbxasset://fonts/families/GothamSSm.json",
    "weight": 400,
    "style": "Normal"
  }
}

Summary Table

Type	Example Value
string	"Hello"
bool	true / false
int / int32 / int64	42
float / float32 / float64	3.14
Vector2	{ "x": 0, "y": 0 }
Vector3	{ "x": 0, "y": 0, "z": 0 }
CFrame	{ "position": [...], "rotation": [...] }
Color3	{ "r": 1, "g": 0.5, "b": 0 }
Color3uint8	{ "r": 255, "g": 128, "b": 0 }
BrickColor	194
UDim	{ "scale": 0.5, "offset": 10 }
UDim2	{ "x": {...}, "y": {...} }
Rect	{ "min": {...}, "max": {...} }
NumberRange	{ "min": 0, "max": 100 }
Enum	{ "enumType": "...", "value": "..." }
Content	"rbxassetid://123456"
Font	{ "family": "...", "weight": 400, "style": "..." }