diff --git a/config/probe/probe.go b/config/probe/probe.go
new file mode 100644
index 0000000..dd11d6b
--- /dev/null
+++ b/config/probe/probe.go
@@ -0,0 +1,19 @@
+package probe
+
+type ProbeStateType int
+
+const (
+	ProbeStateTypeNotAuthorized ProbeStateType = iota
+	ProbeStateTypeAuthorized
+)
+
+type Probe struct {
+	Key *string `json:"key,omitempty" yaml:"key" toml:"key"`
+}
+
+func (c *Probe) State() ProbeStateType {
+	if nil != c.Key && "" != *c.Key {
+		return ProbeStateTypeAuthorized
+	}
+	return ProbeStateTypeNotAuthorized
+}