diff --git a/argument.go b/argument.go
index 6e988fe..5e77f6c 100644
--- a/argument.go
+++ b/argument.go
@@ -60,6 +60,10 @@ func ArgumentString(name string, value string) Argument {
 	return Argument{name, argString(value)}
 }
 
+func ArgumentEnum(name string, value string) Argument {
+	return Argument{name, argEnum(value)}
+}
+
 func ArgumentBoolSlice(name string, values ...bool) Argument {
 	return Argument{name, argBoolSlice(values)}
 }
@@ -125,6 +129,18 @@ func (v argString) stringChan() <-chan string {
 	return tokenChan
 }
 
+// argEnum represents a enum value.
+type argEnum string
+
+func (v argEnum) stringChan() <-chan string {
+	tokenChan := make(chan string)
+	go func() {
+		tokenChan <- fmt.Sprintf(`%s`, v)
+		close(tokenChan)
+	}()
+	return tokenChan
+}
+
 //////////////////////////////////
 // Primitive List Wrapper Types //
 //////////////////////////////////
diff --git a/argument_test.go b/argument_test.go
index 0471c37..4c8d04f 100644
--- a/argument_test.go
+++ b/argument_test.go
@@ -66,6 +66,13 @@ func TestArgumentStringSlice(t *testing.T) {
 	assert.Equal(t, Argument{"blocked", argStringSlice(nil)}, a)
 }
 
+func TestArgumentEnum(t *testing.T) {
+	a := ArgumentEnum("blocked", "a")
+	assert.Equal(t, Argument{"blocked", argEnum("a")}, a)
+	a = ArgumentEnum("blocked", "")
+	assert.Equal(t, Argument{"blocked", argEnum("")}, a)
+}
+
 func Test_argBool(t *testing.T) {
 	b := argBool(true)
 	i := 0