# FDC3Options

**Kind**: interface | **Module**: [Channels](https://docs.interop.io/desktop/reference/javascript/channels/index.md)

**Source**: https://docs.interop.io/desktop/reference/javascript/channels/fdc3options/index.html

Settings for retrieving and subscribing for FDC3 contexts published in an io.Connect Channel.

*Since: @interopio/desktop 6.9.0*

## Properties

- **`contextType`** (`string`, optional)
  Type of the FDC3 context to retrieve or to which to subscribe.