# Pattern

| Message                  | Description                                           | Arguments |
| ------------------------ | ----------------------------------------------------- | --------- |
| `/mixeffect/usk/pattern` | Sets all the settings for the Pattern upstream keyer. | Multiple  |

| Argument       | Type    | Description                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| -------------- | ------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Pattern        | Integer | <p>0 = Left To Right Bar<br>1 = Top To BottomBar<br>2 = Horizontal Barn Door<br>3 = Vertical Barn Door<br>4 = Corners In Four Box<br>5 = Rectangle Iris<br>6 = Diamond Iris<br>7 = Circle Iris<br>8 = Top Left Box<br>9 = Top Right Box<br>10 = Bottom Right Box<br>11 = Bottom Left Box<br>12 = Top Center Box<br>13 = Right Center Box<br>14 = Bottom Center Box<br>15 = Left Center Box<br>16 = Top Left Diagonal<br>17 = Top Right Diagonal</p> |
| Size           | Float   | Float from 0.0 to 100.0                                                                                                                                                                                                                                                                                                                                                                                                                             |
| Symmetry       | Float   | Float from 0.0 to 100.0                                                                                                                                                                                                                                                                                                                                                                                                                             |
| Softness       | Float   | Float from 0.0 to 100.0                                                                                                                                                                                                                                                                                                                                                                                                                             |
| Position X     | Float   | Float from 0.0 to 1.0000                                                                                                                                                                                                                                                                                                                                                                                                                            |
| Position Y     | Float   | Float from 0.0 to 1.0000                                                                                                                                                                                                                                                                                                                                                                                                                            |
| Invert Pattern | Integer | <p>0 = Off<br>1 = On<br>2 = Toggle</p>                                                                                                                                                                                                                                                                                                                                                                                                              |
| USK            | Integer | One-based index of the Upstream Keyer. Default is 1.                                                                                                                                                                                                                                                                                                                                                                                                |
| M/E            | Integer | One-based index of the Mix Effect Bus. Default is 1.                                                                                                                                                                                                                                                                                                                                                                                                |
| Duration       | Integer | <p>(Optional)<br>0 = Off<br>1-10000 = Number of milliseconds to tween the parameters. Default is 0.</p>                                                                                                                                                                                                                                                                                                                                             |
| Style          | Integer | <p>(Optional)<br>0 = Cosine<br>1 = Cubed<br>2 = Inverse Cubed<br>3 = Inverse Squared<br>4 = Linear<br>5 = Sine<br>6 = Smooth Step<br>7 = Smoother Step<br>8 = Squared<br>9 = Ease In Out Elastic<br>10 = Ease Out Bounce<br>11 = Ease Out Elastic</p>                                                                                                                                                                                               |