trailers

Modify or add trailers (trailers) to responses using Transfer-Encoding: chunked. Trailers are additional HTTP header fields sent after the response body of a chunked transfer. HTTP Tailers Function: https://http.dev/trailer

Rule Syntax

pattern trailers://value [filters...]

Parameters	Description	Detailed Documentation
pattern	Expression to match request URLs	Match Pattern Documentation
value	Operation data object, supported from the following sources: • Directory/file path • Remote URL • Inline/embedded/Values content	Operation Instruction Documentation
filters	Optional filters, supported for matching: • Request URL/method/header/content • Response status code/header	Filter Documentation

Configuration Example

Basic Configuration

# Set the request header `x-proxy: Whistle`
www.example.com/path trailers://x-proxy=Whistle

Setting Multiple Request Headers

``` test.json
x-test1: 1
x-test2:
x-test3: abc
```
www.example.com/path2 trailers://{test.json}

# Equivalent to: www.example.com/path2 trailers://x-test1=1&x-test2=&x-test3=abc

Local/Remote Resources

www.example.com/path1 trailers:///User/xxx/test.json
www.example.com/path2 trailers://https://www.xxx.com/xxx/params.json
# Editing a Temporary File
www.example.com/path3 trailers://temp/blank.json

Associated Protocols

1. Delete request header field: delete://trailers.xxx