| Value | Meaning |
|---|---|
| INVALID0 | Not a valid header field. |
| PATH1 | The object path. |
| INTERFACE2 | The interface name. |
| MEMBER3 | The method or signal name. |
| ERROR_NAME4 | The name of the error that occurred. |
| REPLY_SERIAL5 | The serial number the message is a reply to. |
| DESTINATION6 | The name the message is intended for. |
| SENDER7 | Unique name of the sender of the message (filled in by the bus). |
| SIGNATURE8 | The signature of the message body. |
| NUM_UNIX_FDS9 | The number of UNIX file descriptors that accompany the message. |
Header fields used in gio.DBusMessage