---
name: "Runtime_events.Type"
section: "3o"
platform: "linux"
package: "ocaml"
version: "5.5.0-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/Runtime_events.Type"
---

# Runtime\_events.Type(3o)

no description

## NAME

Runtime\_events.Type - no description

## Module

Module   Runtime\_events.Type

## Documentation

Module **Type**\
  :  **sig end**

*type* **'a** *t*

The type for a user event content type.

*val unit* :  **unit t**

An event that has no data associated with it.

*type span* =\
  \| Begin\
  \| End

*val span* :  **span t**

An event that has a beginning and an end.

*val int* :  **int t**

An event containing an integer value.

*val register* :  **encode:(bytes -\> 'a -\> int) -\>** **decode:(bytes -\> int -\> 'a) -\> 'a t**

Registers a custom type by providing an encoder and a decoder. The encoder writes the value in the provided buffer and returns the number of bytes written. The decoder gets a slice of the buffer of specified length, and returns the decoded value.

The maximum value length is 1024 bytes.