diff --git a/app.go b/app.go
index c04cdc7..66dc005 100644
--- a/app.go
+++ b/app.go
@@ -507,3 +507,37 @@ func (a *App) Transfer() error {
 
 	return nil
 }
+
+func (a *App) Boxes() []*Box {
+	log.WithFields(log.Fields{"app": a.name}).Debugf("starting")
+	defer log.WithFields(log.Fields{"app": a.name}).Debugf("done")
+
+	cfgMx.Lock()
+	defer cfgMx.Unlock()
+
+	bm := make(map[string]struct{})
+
+	for _, s := range a.sources {
+		bm[s.Box()] = struct{}{}
+	}
+
+	for _, d := range a.destinations {
+		bm[d.Box()] = struct{}{}
+	}
+
+	for _, b := range a.before {
+		bm[b.Box()] = struct{}{}
+	}
+
+	for _, af := range a.after {
+		bm[af.Box()] = struct{}{}
+	}
+
+	bx := make([]*Box, 0)
+
+	for n := range bm {
+		bx = append(bx, cfg.box[n])
+	}
+
+	return bx
+}