diff --git a/action.go b/action.go
index 83e057c2b..ca7ee4263 100644
--- a/action.go
+++ b/action.go
@@ -110,7 +110,7 @@ func (a Action) StyleF(f func(s string) string) Action {
 	return ActionCallback(func(c Context) Action {
 		invoked := a.Invoke(c)
 		for index, v := range invoked.rawValues {
-			if v.Value != "ERR" && v.Value != "_" {
+			if !v.IsMessage() {
 				invoked.rawValues[index].Style = f(v.Value)
 			}
 		}
@@ -118,6 +118,32 @@ func (a Action) StyleF(f func(s string) string) Action {
 	})
 }
 
+// Tag sets the tag.
+//
+//	ActionValues("192.168.1.1", "127.0.0.1").Tag("interfaces").
+func (a Action) Tag(tag string) Action {
+	return a.TagF(func(value string) string {
+		return tag
+	})
+}
+
+// Tag sets the tag using a function.
+//
+//	ActionValues("192.168.1.1", "127.0.0.1").TagF(func(value string) string {
+//		return "interfaces"
+//	})
+func (a Action) TagF(f func(value string) string) Action {
+	return ActionCallback(func(c Context) Action {
+		invoked := a.Invoke(c)
+		for index, v := range invoked.rawValues {
+			if !v.IsMessage() {
+				invoked.rawValues[index].Tag = f(v.Value)
+			}
+		}
+		return invoked.ToA()
+	})
+}
+
 // Chdir changes the current working directory to the named directory during invocation.
 func (a Action) Chdir(dir string) Action {
 	return ActionCallback(func(c Context) Action {
@@ -136,7 +162,7 @@ func (a Action) Suppress(expr ...string) Action {
 		invoked := a.Invoke(c)
 		filter := false
 		for _, rawValue := range invoked.rawValues {
-			if rawValue.Display == "ERR" {
+			if rawValue.IsMessage() && rawValue.Description != "" {
 				for _, e := range expr {
 					r, err := regexp.Compile(e)
 					if err != nil {
@@ -153,7 +179,7 @@ func (a Action) Suppress(expr ...string) Action {
 		if filter {
 			filtered := make([]common.RawValue, 0)
 			for _, r := range invoked.rawValues {
-				if r.Display != "ERR" && r.Display != "_" {
+				if !r.IsMessage() {
 					filtered = append(filtered, r)
 				}
 			}
diff --git a/defaultActions_test.go b/defaultActions_test.go
index 4cb069183..77538e430 100644
--- a/defaultActions_test.go
+++ b/defaultActions_test.go
@@ -17,17 +17,19 @@ func TestActionImport(t *testing.T) {
       "Value": "positional1",
       "Display": "positional1",
       "Description": "",
-      "Style": ""
+      "Style": "",
+	  "Tag": "first"
     },
     {
       "Value": "p1",
       "Display": "p1",
       "Description": "",
-      "Style": ""
+      "Style": "",
+	  "Tag": "first"
     }
   ]
 }`
-	assertEqual(t, ActionValues("positional1", "p1").Invoke(Context{}), ActionImport([]byte(s)).Invoke(Context{}))
+	assertEqual(t, ActionValues("positional1", "p1").Tag("first").Invoke(Context{}), ActionImport([]byte(s)).Invoke(Context{}))
 }
 
 func TestActionFlags(t *testing.T) {
diff --git a/example/cmd/action/os/os.go b/example/cmd/action/os/os.go
index e655b96f7..00eac3bef 100644
--- a/example/cmd/action/os/os.go
+++ b/example/cmd/action/os/os.go
@@ -38,7 +38,7 @@ func ActionGroups() carapace.Action {
 			}
 		}
 		return carapace.ActionValuesDescribed(groups...)
-	})
+	}).Tag("groups")
 }
 
 // ActionKillSignals completes kill signals
@@ -110,7 +110,7 @@ func ActionUsers() carapace.Action {
 			}
 		}
 		return carapace.ActionValuesDescribed(users...)
-	})
+	}).Tag("users")
 }
 
 // ActionUserGroup completes user:group
diff --git a/example/cmd/batch.go b/example/cmd/batch.go
index a2ac83ff4..d6a1e9168 100644
--- a/example/cmd/batch.go
+++ b/example/cmd/batch.go
@@ -17,9 +17,9 @@ func init() {
 	carapace.Gen(batchCmd).PositionalCompletion(
 		carapace.ActionCallback(func(c carapace.Context) carapace.Action {
 			return carapace.Batch(
-				carapace.ActionValues("A", "B"),
-				carapace.ActionValues("C", "D"),
-				carapace.ActionValues("E", "F"),
+				carapace.ActionValues("A", "B").Tag("first"),
+				carapace.ActionValues("C", "D").Tag("second"),
+				carapace.ActionValues("E", "F").TagF(func(value string) string { return "third" }),
 			).Invoke(c).Merge().ToA()
 		}),
 	)
diff --git a/internal/common/value.go b/internal/common/value.go
index 10158bea5..57c7a2201 100644
--- a/internal/common/value.go
+++ b/internal/common/value.go
@@ -11,8 +11,14 @@ import (
 type RawValue struct {
 	Value       string
 	Display     string
-	Description string
-	Style       string
+	Description string `json:",omitempty"`
+	Style       string `json:",omitempty"`
+	Tag         string `json:",omitempty"`
+}
+
+// IsMessage checks if the value is a message (ActionMessage)
+func (r RawValue) IsMessage() bool {
+	return r.Value == "ERR" || r.Value == "_"
 }
 
 // TrimmedDescription returns the trimmed description
diff --git a/invokedAction_test.go b/invokedAction_test.go
index d02d2884d..db36ee0db 100644
--- a/invokedAction_test.go
+++ b/invokedAction_test.go
@@ -28,15 +28,15 @@ func TestToMultiParts(t *testing.T) {
 	_test("A/a:1", `{"Value":"A/a:1","Display":"1","Description":"one","Style":"green"}`, "/", ":")
 	_test("A/a:1", `{"Value":"A/a:1","Display":"1","Description":"one","Style":"green"}`, ":", "/")
 	_test("A/a:1", `{"Value":"A/a:1","Display":"a:1","Description":"one","Style":"green"}`, "/")
-	_test("A", `{"Value":"A/","Display":"A/","Description":"","Style":""}`, "/", ":")
-	_test("A", `{"Value":"A/","Display":"A/","Description":"","Style":""}`, "/")
-	_test("", `{"Value":"A/","Display":"A/","Description":"","Style":""}`, "/")
-	_test("A/", `{"Value":"A/a:","Display":"a:","Description":"","Style":""}`, "/", ":")
+	_test("A", `{"Value":"A/","Display":"A/"}`, "/", ":")
+	_test("A", `{"Value":"A/","Display":"A/"}`, "/")
+	_test("", `{"Value":"A/","Display":"A/"}`, "/")
+	_test("A/", `{"Value":"A/a:","Display":"a:"}`, "/", ":")
 	_test("A/", `{"Value":"A/a:1","Display":"a:1","Description":"one","Style":"green"}`, "/")
 	_test("B/", `{"Value":"B/c/","Display":"c/","Description":"withsuffix","Style":"underlined"}`, "/")
-	_test("B/c:5", `{"Value":"B/c:5:2/","Display":"c:5:2/","Description":"","Style":""}`, "/")
-	_test("B/c:5", `{"Value":"B/c:5:","Display":"5:","Description":"","Style":""}`, "/", ":")
-	_test("B/c:5", `{"Value":"B/c:5:","Display":"5:","Description":"","Style":""}`, ":", "/")
+	_test("B/c:5", `{"Value":"B/c:5:2/","Display":"c:5:2/"}`, "/")
+	_test("B/c:5", `{"Value":"B/c:5:","Display":"5:"}`, "/", ":")
+	_test("B/c:5", `{"Value":"B/c:5:","Display":"5:"}`, ":", "/")
 
 	_test("C/d/1", `{"Value":"C/d/1()2","Display":"1()2","Description":"withbrackets","Style":"yellow"}`, "/")
 }