# Part

class `cee.mrk.``Part`()

  Base class for parts that can be added to a `MarkupModel`.

Accessors

- `customData`

Methods

- `rayIntersect`

## Accessors

`Part.``customData`()

  Custom data for the part. This field is not used by EnvisionWeb.

  Return type: | any

`Part.``customData`(data)

  Arguments: | data (`any`) – None
  Return type: | void

## Methods

### rayIntersect

`Part.``rayIntersect`(ray, hitItem)

  Arguments: | ray (`Ray`) – None hitItem (`PartHitItem`) – None

  Picking on the part

  Return type: | boolean

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