# DSK Mask Adjust
| Message | Description | Arguments |
|---|
/mixeffect/dsk/mask/adjust | Adjusts a single mask parameter for a downstream keyer. | Multiple |
| Argument | Type | Description |
| ---------------- | ------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Mask Parameter | String | top
bottom
left
right
|
| Adjustment Value | Float | -X to reduce the current mask parameter setting by a certain amount or Y to increase the mask parameter setting by a certain amount |
| DSK Index | Integer | (Optional)
One-based index of the downstream keyer. Default is 1.
|
| Duration | Integer | (Optional) 0 = Off 1-10000 = Number of milliseconds to tween the parameters. Default is 0. |
| Style | Integer | (Optional)
0 = Cosine
1 = Cubed
2 = Inverse Cubed
3 = Inverse Squared
4 = Linear
5 = Sine
6 = Smooth Step
7 = Smoother Step
8 = Squared
9 = Ease In Out Elastic
10 = Ease Out Bounce
11 = Ease Out Elastic
|
> **NOTE**: If you wish to specify the duration and style, you must enter the DSK Index.