# cp.rx.go.If.Then

A `Statement.Modifier` that defines what happens when an `If` matches.

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## Submodules
 * [cp.rx.go.If.Then.Otherwise](cp.rx.go.If.Then.Otherwise.md)

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## API Overview
**Constants** - _Useful values which cannot be changed_
 * [Then](#then)

**Methods** - _API calls which can only be made on an object returned by a constructor_
 * [Otherwise](#otherwise)
 * [Then](#then)

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## API Documentation

#### Constants

### [Then](#then)

|                                             |                                                                                     |
| --------------------------------------------|-------------------------------------------------------------------------------------|
| **Signature**                               | `cp.rx.go.If.Then <cp.rx.go.Statement.Modifier>`                                                                    |
| **Type**                                    | Constant                                                                     |
| **Description**                             | This is a configuration of `SetProp`, which should be created via `SetProp:To(value)`                                                                     |
| **Notes**                                   | None |
| **Source**                                  | [src/extensions/cp/rx/go/SetProp.lua line 99](https://github.com/CommandPost/CommandPost/blob/develop/src/extensions/cp/rx/go/SetProp.lua#L99) |

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#### Methods

### [Otherwise](#otherwise)

|                                             |                                                                                     |
| --------------------------------------------|-------------------------------------------------------------------------------------|
| **Signature**                               | `cp.rx.go.If.Then:Otherwise(...) -> If.Then.Otherwise`                                                                    |
| **Type**                                    | Method                                                                     |
| **Description**                             | Call this to define what will happen if value doesn't resolve successfully.                                                                     |
| **Parameters**                              | <ul><li>...  - The list of `resolveable` values to process for the unsuccessful `If` result.</li></ul> |
| **Returns**                                 | <ul><li>The `Then` `Statement.Modifier`.</li></ul>          |
| **Notes**                                   | <ul><li>The parameters can be any `resolvable` type.</li><li></li><li>For example:</li><li>```lua</li><li>If(anObservable)</li><li>:Then(function(aResult)</li><li>    doSomethingWith(aResult, anotherResult)</li><li>    return true</li><li>end)</li><li>:Otherwise(false)</li><li>```</li></ul> |
| **Examples**                                | None |
| **Source**                                  | [src/extensions/cp/rx/go/If.lua line 165](https://github.com/CommandPost/CommandPost/blob/develop/src/extensions/cp/rx/go/If.lua#L165) |

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### [Then](#then)

|                                             |                                                                                     |
| --------------------------------------------|-------------------------------------------------------------------------------------|
| **Signature**                               | `cp.rx.go.If.Then:Then(...) -> If.Then`                                                                    |
| **Type**                                    | Method                                                                     |
| **Description**                             | Each [Then](cp.rx.go.If.Then.md) can have a subsequent `Then` which will be executed after the previous one resolves.                                                                     |
| **Parameters**                              | <ul><li>...  - The list of `resolvable` values to process for the sucessful `If` result.</li></ul> |
| **Returns**                                 | <ul><li>A new [If.Then](cp.rx.go.If.Then.md) instance.</li></ul>          |
| **Notes**                                   | None |
| **Examples**                                | None |
| **Source**                                  | [src/extensions/cp/rx/go/If.lua line 150](https://github.com/CommandPost/CommandPost/blob/develop/src/extensions/cp/rx/go/If.lua#L150) |

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