diff --git a/syslogconf.go b/syslogconf.go
new file mode 100644
index 0000000..87345fc
--- /dev/null
+++ b/syslogconf.go
@@ -0,0 +1,83 @@
+package syslogsidecar
+
+import "strconv"
+
+var fis = map[int]string{
+	0:  "kern",
+	1:  "user",
+	2:  "mail",
+	3:  "daemon",
+	4:  "auth",
+	5:  "syslog",
+	6:  "lpr",
+	7:  "news",
+	8:  "uucp",
+	9:  "cron",
+	10: "authpriv",
+	11: "ftp",
+	16: "local0",
+	17: "local1",
+	18: "local2",
+	19: "local3",
+	20: "local4",
+	21: "local5",
+	22: "local6",
+	23: "local7",
+}
+
+var sis = map[int]string{
+	0: "emerg",
+	1: "alert",
+	2: "crit",
+	3: "err",
+	4: "warning",
+	5: "notice",
+	6: "info",
+	7: "debug",
+}
+
+func facsev(priority string) (facility, severiry string) {
+	if len(priority) == 0 {
+		return "", ""
+	}
+
+	prval, _ := strconv.Atoi(priority)
+
+	facility, _ = fis[prval/8]
+	severiry, _ = sis[prval%8]
+
+	return
+}
+
+var fsi = swap(fis)
+var ssi = swap(sis)
+
+func swap(in map[int]string) map[string]int {
+	result := make(map[string]int)
+
+	for key, val := range fis {
+		result[val] = key
+	}
+
+	return result
+}
+
+func isFacility(fac string) bool {
+	if len(fac) == 0 {
+		return false
+	}
+
+	_, ok := fsi[fac]
+
+	return ok
+}
+
+func isSeverity(sev string) bool {
+	if len(sev) == 0 {
+		return false
+	}
+
+	_, ok := ssi[sev]
+
+	return ok
+}
diff --git a/syslogmsgparts.go b/syslogmsgparts.go
index 64fe22a..537264b 100644
--- a/syslogmsgparts.go
+++ b/syslogmsgparts.go
@@ -218,3 +218,21 @@ func toMsg(logParts format.LogParts) sputnik.Msg {
 	return msg
 
 }
+
+func (mp *syslogmsgparts) priority() (string, error) {
+	mp.rewind()
+
+	count, _ := mp.runeAt(0)
+
+	if int(count) <= badMessageParts {
+		return "", fmt.Errorf("non rfc message")
+	}
+
+	rfclen, _ := mp.runeAt(1)
+
+	mp.skip(int(count + rfclen + 1))
+
+	prlen, _ := mp.runeAt(2)
+
+	return mp.part(int(prlen))
+}