# Method MIME.Message()->setparam()

Method setparam

  `void setparam(string param, string value)`

Description

  Set or modify the named parameter of the `Content-Type` header.

  Common parameters include `charset` for text messages, and `boundary` for multipart messages.

Note

  It is not allowed to modify the `Content-Type` header directly, please use this function instead.

See also

  setcharset(), setboundary(), setdisp_param()