msgpart:header

March 26, 2020 Contributors

Name

msgpart:header — If mode is replace (or unspecified): first deletes all other headers of that name before appending the new value to the message headers

Synopsis

msgpart:header(name, value, mode);

name: string
value: string
mode: string, optional

Description

If the mode is replace (or unspecified), first delete all other headers of that name before appending the new value to the message headers. The other modes are prepend and append.

Enable this function with the statement require('msys.extended.message');.