diff --git a/realize/run.go b/realize/run.go
deleted file mode 100644
index 4b7b005..0000000
--- a/realize/run.go
+++ /dev/null
@@ -1 +0,0 @@
-package realize
diff --git a/realize/watcher.go b/realize/watcher.go
new file mode 100644
index 0000000..ae095fa
--- /dev/null
+++ b/realize/watcher.go
@@ -0,0 +1,40 @@
+package realize
+
+import (
+	"github.com/fsnotify/fsnotify"
+	"path/filepath"
+	"os"
+)
+
+func (h *Config) Watch() error{
+
+	watcher, err := fsnotify.NewWatcher()
+	if err != nil{
+		panic(err)
+	}
+
+	walking := func(path string, info os.FileInfo, err error) error{
+		if info.IsDir() {
+			if err = watcher.Add(path); err != nil {
+				return filepath.SkipDir
+			}
+		}
+		return nil
+	}
+
+	// check file
+	if err := h.Read(); err == nil {
+		// loop projects
+		for _, val := range h.Projects {
+			// add paths to watcher
+			for _, path := range val.Watcher.Paths {
+				if err := filepath.Walk(path, walking); err != nil{
+					panic(err)
+				}
+			}
+		}
+		return nil
+	}else{
+		return err
+	}
+}
\ No newline at end of file