> ## Documentation Index
> Fetch the complete documentation index at: https://docs.forterulesengine.io/llms.txt
> Use this file to discover all available pages before exploring further.

# EffectType

> v0.20.5

Defined in: [src/modules/types.ts:118](https://github.com/Forte-Service-Company-Ltd/forte-rules-engine-sdk/blob/40cc8388cecd8ee445b00b9df2b681cff8552ece/src/modules/types.ts#L118)

Enum representing the different types of effects

## Enumeration Members

### EVENT

> **EVENT**: `1`

Defined in: [src/modules/types.ts:122](https://github.com/Forte-Service-Company-Ltd/forte-rules-engine-sdk/blob/40cc8388cecd8ee445b00b9df2b681cff8552ece/src/modules/types.ts#L122)

Effect that emits an event

***

### EXPRESSION

> **EXPRESSION**: `2`

Defined in: [src/modules/types.ts:124](https://github.com/Forte-Service-Company-Ltd/forte-rules-engine-sdk/blob/40cc8388cecd8ee445b00b9df2b681cff8552ece/src/modules/types.ts#L124)

Effect that represents an expression

***

### REVERT

> **REVERT**: `0`

Defined in: [src/modules/types.ts:120](https://github.com/Forte-Service-Company-Ltd/forte-rules-engine-sdk/blob/40cc8388cecd8ee445b00b9df2b681cff8552ece/src/modules/types.ts#L120)

Effect that causes a revert