Determines whether a part is immovable by physics

The angular velocity of the part’s assembly

The center of mass of the part’s assembly in world space

The linear velocity of the part’s assembly

The total mass of the part’s assembly

A reference to the root part of the assembly

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

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

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

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

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

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

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

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

Determines the color of a part.

Determines the position and rotation of a part in the world

Determines whether a part may collide with other parts.

Determines whether the part is considered during spatial query operations

Determines if the part will trigger BasePart/Touched|Touched/BasePart/TouchEnded|TouchEnded events on other BasePart|BaseParts with TouchTransmitter|TouchTransmitters

Determines whether or not a part casts a shadow.

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

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

Determines the color of a part.

Determines several physical properties of a part

Used to control the Elasticity of the part, but it no longer does anything

Used to control the Friction of the part, but now it no longer does anything.

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

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

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

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

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

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

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

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

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

Determines whether a part is selectable in Studio.

Describes the mass of the part, the product of its density and volume

Determines whether the part contributes to the total mass or inertia of its rigid body

Determines the texture and default physical properties of a part

Describes the position of the part in the world

Specifies the offset of the part’s pivot from its datatype/CFrame.

Describes the position of the part in the world

Time since last recorded physics update

Determines how much a part reflects the skybox.

Describes the smallest change in size allowable by the Resize method

Describes the faces on which a part may be resized

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

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

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

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

The main rule in determining the root part of an assembly

Determines a part’s change in orientation over time

The rotation of the part in degrees for the three axes

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

The ratio of the part’s density to the density of water determined by the BasePart/Material

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

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

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

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

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

Determines a part’s change in position over time

Editor-only property used to rotate the object around its pivot. Scripts must use PVInstance/PivotTo instead.

Editor-only property used to move the object. Scripts must use PVInstance/PivotTo instead.

Editor-only property to set the orientation of the pivot relative to a part. Scripts must use BasePart/PivotOffset instead.

Editor-only property to set the position of the pivot relative to a part. Scripts must use BasePart/PivotOffset instead.

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

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

The cost of saving the instance using data persistence.

A non-unique identifier of the Instance

Determines the hierarchical parent of the Instance

A deprecated property that used to protect CoreGui objects

Apply an angular impulse to the assembly

Apply an impulse to the assembly at the assembly’s BasePart/AssemblyCenterOfMass|center of mass

Apply an impulse to the assembly at specified position

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

Returns whether the parts can collide with each other.

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

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

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

Returns the value of the BasePart/Mass|Mass property.

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

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

(OBSOLETE) Returns a CFrame describing where the part is being rendered at

Returns the base part of an assembly of parts

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

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

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

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

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

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

Creates a new UnionOperation which occupies the same space as the part minus the space(s) occupied by the parts in the given array.

Performs a Union operation on the calling BasePart and the list of parts passed in as the first parameter

Gets the pivot of a PVInstance.

Transforms the PVInstance along with all of its descendant PVInstance|PVInstances such that the pivot is now located at the specified datatype/CFrame.

This function destroys all of an Instance’s children.

Create a copy of an object and all its descendants, ignoring objects that are not Instance/Archivable|Archivable

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

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

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

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

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

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

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

Returns the first descendant found with the given Instance/Name.

Returns the Actor associated with the Instance, usually the first Actor ancestor

Returns the attribute which has been assigned to the given name

Returns an event that fires when the given attribute changes

Returns a dictionary of string → variant pairs for each of the Instance|Instance’s attributes

Returns an array containing all of the Instance’s children.

Returns a coded string of the Instances DebugId used internally by Roblox.

Returns an array containing all of the descendants of the instance

Returns a string describing the Instance’s ancestry.

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

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

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

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

Sets the object’s Parent to nil, and does the same for all its descendants.

Sets the attribute with the given name to the given value

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.

Returns an array of the object’s children.

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Fired when a part stops touching another part.

Fired when a part comes in contact with another part

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

Fires whenever an attribute is changed on the Instance

Fired immediately after a property of an object changes.

Fires after an object is parented to this Instance.

Fires after a child is removed from this Instance.

Fires after a descendant is added to the Instance

Fires immediately before a descendant of the Instance is removed.

Fires immediately before the instance is destroyed via Instance/Destroy.