---
title: "Mask"
url: "https://help.maxon.net/c4d/en-us/Content/html/TPHCONSTRAINTMASK-PH_SCENE_CAL_MASK.html"
section_path: "Motion Tracker > Motion Tracker Tags > Mask Constraint > Mask"
element_id: "TPHCONSTRAINTMASK"
group_id: "PH_SCENE_CAL_MASK"
description: "Use this setting to define whether the Tracks within or outside of the mask should be included."
---

## Mask

### Tracking

Parameter ID: `PH_SCENE_CAL_MASK_ADDSUB_MODE`

Use this setting to define whether the Tracks within or outside of the mask should be included.

### Active From

Parameter ID: `PH_SCENE_CAL_MASK_FIRST_FRAME` · Range: [-2147483648..2147483647]

### Active To

Parameter ID: `PH_SCENE_CAL_MASK_LAST_FRAME` · Range: [-2147483648..2147483647]

Use these settings to restrict the mask's effect temporally.