--- /dev/null
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package event
+
+import (
+ "context"
+)
+
+// Label sends a label event to the exporter with the supplied tags.
+func Label(ctx context.Context, tags ...Tag) context.Context {
+ return dispatch(ctx, makeEvent(LabelType, sTags{}, tags))
+}
+
+// Label1 sends a label event to the exporter with the supplied tags.
+func Label1(ctx context.Context, t1 Tag) context.Context {
+ return dispatch(ctx, makeEvent(LabelType, sTags{t1}, nil))
+}
+
+// Label2 sends a label event to the exporter with the supplied tags.
+func Label2(ctx context.Context, t1, t2 Tag) context.Context {
+ return dispatch(ctx, makeEvent(LabelType, sTags{t1, t2}, nil))
+}
+
+// Label3 sends a label event to the exporter with the supplied tags.
+func Label3(ctx context.Context, t1, t2, t3 Tag) context.Context {
+ return dispatch(ctx, makeEvent(LabelType, sTags{t1, t2, t3}, nil))
+}