diff --git a/loop/todo.go b/loop/todo.go
index e639857..4dc41d6 100644
--- a/loop/todo.go
+++ b/loop/todo.go
@@ -9,8 +9,8 @@
 )
 
 type Comment struct {
-	Author  string `json:"author"`
-	Comment string `json:"comment"`
+	Author  string `json:"author" jsonschema:"title=author,description=author of the comment,required"`
+	Comment string `json:"comment" jsonschema:"title=comment,description=actual comment text,required"`
 }
 
 func (c Comment) String() string {
@@ -18,31 +18,56 @@
 }
 
 type ToDo struct {
-	ID          string    `json:"id"`
-	Title       string    `json:"title"`
-	Description string    `json:"description"`
-	Items       []*ToDo   `json:"items"`
-	Done        bool      `json:"done"`
-	AssignedTo  string    `json:"assignedTo"`
-	Discussion  []Comment `json:"discussion"`
-	lock        sync.Locker
+	ID          string    `json:"id" jsonschema:"title=id,description=unique id of the TODO item,required"`
+	Title       string    `json:"title" jsonschema:"title=title,description=high level title of the TODO item,required"`
+	Description string    `json:"description" jsonschema:"title=description,description=detailed description what this TODO item is about"`
+	Items       []*ToDo   `json:"items" jsonschema:"title=sub items,description=array of sub items current item consists of"`
+	Parallel    bool      `json:"parallel" jsonschema:"title=parallel,description=if true sub-items may be worked on in parallel and there is no depencency between them, otherwise they shall be worked on sequentially"`
+	Done        bool      `json:"done" jsonschema:"title=done,description=if true item shall be considered as done"`
+	AssignedTo  string    `json:"assignedTo" jsonschema:"title=assigned to,description=name of the person who shall work on this item"`
+	Discussion  []Comment `json:"discussion" jsonschema:"title=discussion,description=comments related to current item"`
+	Summary     string    `json:"summary" jsonschem:"title=summary,description=detailed summary of current item and all of it's sub-item trees."`
+	lock        sync.RWMutex
 }
 
-const tmpl = `%s: %s
-%s
-%s
-%s`
-
 func (t ToDo) String() string {
-	var comments []string
+	var ret []string
+	status := "IN PROGRESS"
+	if t.Done {
+		status = "DONE"
+	}
+	ret = append(ret, fmt.Sprintf("%s: %s - %s %s %t", t.ID, t.Title, status, t.AssignedTo, t.Parallel))
+	if t.Description != "" {
+		ret = append(ret, t.Description)
+	}
+	if t.Summary != "" {
+		ret = append(ret, fmt.Sprintf("SUMMARY: %s", t.Summary))
+	}
 	for _, c := range t.Discussion {
-		comments = append(comments, fmt.Sprintf("\t - %s", c.String()))
+		ret = append(ret, fmt.Sprintf("\t - %s", c.String()))
 	}
-	var items []string
 	for _, i := range t.Items {
-		items = append(items, fmt.Sprintf("\t%s", i.String()))
+		for _, k := range strings.Split(i.String(), "\n") {
+			ret = append(ret, fmt.Sprintf("\t%s", k))
+		}
 	}
-	return fmt.Sprintf(tmpl, t.ID, t.Title, t.Description, strings.Join(comments, "\n"), strings.Join(items, "\n"))
+	return strings.Join(ret, "\n")
+}
+
+func (t *ToDo) LockRead() {
+	t.lock.RLock()
+}
+
+func (t *ToDo) UnlockRead() {
+	t.lock.RUnlock()
+}
+
+func (t *ToDo) Lock() {
+	t.lock.Lock()
+}
+
+func (t *ToDo) Unlock() {
+	t.lock.Unlock()
 }
 
 func ToDoJSONSchema() string {