# RequestHeadersFilter

**Kind**: interface | **Module**: [io.Connect Desktop](https://docs.interop.io/desktop/reference/javascript/io.connect%20desktop/index.md)

**Source**: https://docs.interop.io/desktop/reference/javascript/io.connect desktop/requestheadersfilter/index.html

Filter for custom request headers

## Properties

- **`applications`** (`string[]`, optional)
- **`types`** (`("mainFrame" | "subFrame" | "stylesheet" | "script" | "image" | "font" | "object" | "xhr" | "ping" | "cspReport" | "media" | "webSocket" | "other")[]`, optional)
- **`urls`** (`string[]`, optional)