| Built-in type summary |
| action | Callable references to actions. |
| any | Special type that can hold a value of any other EPL type. |
| boolean | Boolean type. |
| chunk | EPL plug-in data objects. |
| context | A reference to a context. |
| decimal | 64-bit signed decimal floating point number. |
| dictionary | An associative key-value map for EPL types. |
| event | Methods available on all event types. |
| float | 64-bit signed floating point number. |
| integer | 64-bit signed integer type. |
| listener | A reference to an EPL listener or stream listener. |
| location | A scalar value representing point or area locations. |
| monitor | Static actions available to monitors. |
| optional | Values which may be empty or have a value. |
| sequence | An ordered sequence of elements. |
| stream | A stream of typed events. |
| string | UTF-8-encoded string type. |