float LocalTransparencyModifier [Hidden] [NotReplicated]

Determines a multiplier for `BasePart/Transparency` that is only visible to the local client

float Transparency

Determines how much a part can be seen through (the inverse of part opacity)

PhysicalProperties CustomPhysicalProperties

Determines several physical properties of a part

bool Locked

Determines whether a part is selectable in Studio.

float BackParamA

Determines the first parameter for the SurfaceType on the Back face of a part (-Z direction)

float BackParamB

Determines the second parameter for the SurfaceType on the Back face of a part (-Z direction)

InputType BackSurfaceInput

Determines the kind of input for the Back face of a part (+Z direction)

float BottomParamA

Determines the first parameter for the SurfaceType on the Bottom face of a part (-Y direction)

float BottomParamB

Determines the second parameter for the SurfaceType on the Bottom face of a part (-Y direction)

float FrontParamA

Determines the first parameter for the SurfaceType on the Front face of a part (-Z direction)

float FrontParamB

Determines the second parameter for the SurfaceType on the Front face of a part (-Z direction)

float LeftParamA

Determines the first parameter for the SurfaceType on the Left face of a part (-Z direction)

float LeftParamB

Determines the second parameter for the SurfaceType on the Left face of a part (-Z direction)

float RightParamA

Determines the first parameter for the SurfaceType on the Right face of a part (-X direction)

float RightParamB

Determines the second parameter for the SurfaceType on the Right face of a part (-X direction)

float TopParamA

Determines the first parameter for the SurfaceType on the Top face of a part (+Y direction)

float TopParamB

Determines the second parameter for the SurfaceType on the Top face of a part (+Y direction)

Vector3 Velocity

Determines a part's change in position over time

InputType TopSurfaceInput

Determines the kind of input for the Top face of a part (+Y direction)

SurfaceType TopSurface

Determines the type of surface for the Top face of a part (+Y direction)

Vector3 Size [NotReplicated]

Determines the dimensions of a part (length, width, height)

Vector3 Rotation [NotReplicated]

The rotation of the part in degrees for the three axes.

Vector3 RotVelocity

Determines a part's change in orientation over time

InputType RightSurfaceInput

Determines the kind of input for the Right face of a part (-X direction)

SurfaceType RightSurface

Determines the type of surface for the Right face of a part (+X direction)

Faces ResizeableFaces [ReadOnly] [NotReplicated]

Describes the faces on which a part may be resized

int ResizeIncrement [ReadOnly] [NotReplicated]

Describes the smallest change in size allowable by the Resize method

float Reflectance

Determines how much a part reflects the skybox.

float ReceiveAge [Hidden] [ReadOnly] [NotReplicated]

Time since last recorded physics update

Vector3 Position [NotReplicated]

Describes the position of the part in the world.

Vector3 Orientation [NotReplicated]

Describes the position of the part in the world.

Material Material

Determines the texture and default physical properties of a part

InputType LeftSurfaceInput

Determines the kind of input for the Left face of a part (+X direction)

SurfaceType LeftSurface

Determines the type of surface for the Left face of a part (-X direction)

InputType FrontSurfaceInput

Determines the kind of input for the Front face of a part (-Z direction)

SurfaceType FrontSurface

Determines the type of surface for the Front face of a part (-Z direction)

Color3 Color [NotReplicated]

Determines the color of a part.

int CollisionGroupId

Describes the automatically-set ID number of a part's collision group

Vector3 CenterOfMass [ReadOnly] [NotReplicated]

Describes the world position in which a part's center of mass is located.

bool CanCollide

Determines whether a part may collide with other parts.

CFrame CFrame

Determines the position and rotation of a part in the world

BrickColor BrickColor [NotReplicated]

Determines the color of a part.

InputType BottomSurfaceInput

Determines the kind of input for the Bottom face of a part (-Y direction)

SurfaceType BottomSurface

Determines the type of surface for the Bottom face of a part (-Y direction)

SurfaceType BackSurface

Determines the type of surface for the Back face of a part (+Z direction)

bool Anchored

Determines whether a part is immovable by physics

int DataCost [ReadOnly] [NotReplicated]

The cost of saving the instance using data persistence.

Instance Parent

Determines the hierarchical parent of the `Instance`.

bool RobloxLocked

If true, the `Instance` and its descendants cannot be indexed or edited by a `Script` or `LocalScript` and will throw an error if it is attempted.

string ClassName [ReadOnly] [NotReplicated]

A read-only string representing the class this `Instance` belongs to.

string Name

A non-unique identifier of the `Instance`.

bool Archivable

Determines if an `Instance` can be cloned using `/Instance/Clone` or saved to file.

float GetMass ( ) [CustomLuaState]

Returns the part's mass based on the part's material and size

Tuple CanSetNetworkOwnership ( )

Checks whether you can set a `BasePart|part's` network ownership

Objects GetTouchingParts ( )

Returns a table of all CanCollide true parts that intersect with this part.

void SetNetworkOwner ( Instance playerInstance )

Sets the given player as network owner for this and all connected parts

Instance GetRootPart ( )

Returns the base part of an assembly of parts.

void SetNetworkOwnershipAuto ( )

Lets the game engine dynamically decide who will handle the part's physics (one of the clients or the server).

bool Resize ( NormalId normalId , int deltaAmount )

Changes the size of an object just like using the Studio resize tool.

void MakeJoints ( )

Creates a joint on any side of the object that has a surface ID that can make a joint.

bool IsGrounded ( )

Returns true if the object is connected to a part that will hold it in place (eg an `BasePart/Anchored` part), otherwise returns false.

bool GetNetworkOwnershipAuto ( )

Returns true if the game engine automatically decides the network owner for this part.

Instance GetNetworkOwner ( )

Returns the current player who is the network owner of this part, or nil in case of the server.

Objects GetJoints ( )

Return all Joints or Constraints that is connected to this Part.

Objects GetConnectedParts ( bool recursive )

Returns a table of parts connected to the the object by any kind of rigid joint.

bool CanCollideWith ( Instance part )

Returns whether the parts can collide with each other.

void BreakJoints ( )

Breaks any surface connection with any adjacent part, including `Weld` and other `JointInstance`.

Objects GetChildren ( )

Returns an array containing all of the `Instance`'s children.

void Destroy ( )

Sets the `Instance/Parent` property to nil, locks the `Instance/Parent` property, disconnects all connections and calls Destroy on all children.

Instance FindFirstChild ( string name , bool recursive )

Returns the first child of the `Instance` found with the given name.

RBXScriptSignal GetPropertyChangedSignal ( string property )

Get an event that fires when a given property of an object changes.

string GetFullName ( )

Returns a string describing the `Instance`'s ancestry.

Instance FindFirstChildWhichIsA ( string className , bool recursive )

Returns the first child of the `Instance` for whom `Instance/IsA` returns true for the given className.

Array GetDescendants ( ) [CustomLuaState]

Returns an array containing all of the `Instance`'s descendants.

bool IsAncestorOf ( Instance descendant )

Returns true if an `Instance` is an ancestor of the given descendant.

bool IsDescendantOf ( Instance ancestor )

Returns true if an `Instance` is a descendant of the given ancestor.

Instance FindFirstChildOfClass ( string className )

Returns the first child of the `Instance` whose `Instance/ClassName|ClassName` is equal to the given className.

Instance FindFirstAncestorWhichIsA ( string className )

Returns the first ancestor of the `Instance` for whom `Instance/IsA` returns true for the given className.

Instance FindFirstAncestorOfClass ( string className )

Returns the first ancestor of the `Instance` whose `Instance/ClassName` is equal to the given className.

Instance FindFirstAncestor ( string name )

Returns the first ancestor of the `Instance` whose `Instance/Name` is equal to the given name.

bool IsA ( string className )

Returns true if an `Instance`'s class matches or inherits from a given class

Instance WaitForChild ( string childName , double timeOut ) [CustomLuaState] [CanYield]

Returns the child of the `Instance` with the given name. If the child does not exist, it will yield the current thread until it does.

string GetDebugId ( int scopeLength ) [NotBrowsable]

Returns a coded string of the `Instance`s DebugId used internally by Roblox.

Instance Clone ( )

Create a deep copy of a Roblox instance and descendants where `Archivable = true`.

void ClearAllChildren ( )

This function destroys all of an `Instance`'s children.

RBXScriptSignal Touched ( Instance otherPart )

Fired when a part comes in contact with another part

RBXScriptSignal TouchEnded ( Instance otherPart )

Fired when a part stops touching another part.

RBXScriptSignal DescendantRemoving ( Instance descendant )

Fires immediately before a descendant of the `Instance` is removed.

RBXScriptSignal AncestryChanged ( Instance child , Instance parent )

Fires when the `Instance/Parent` property of the object or one of its ancestors is changed.

RBXScriptSignal ChildAdded ( Instance child )

Fires when an object is parented to this `Instance`.

RBXScriptSignal ChildRemoved ( Instance child )

Fires when a child is removed from this `Instance`.

RBXScriptSignal DescendantAdded ( Instance descendant )

Fires when a descendant is added to the `Instance`.

RBXScriptSignal Changed ( string property )

Fired immediately after a property of an object changes.