diff --git a/file_handler.py b/file_handler.py
index 11b0e00..75f237b 100644
--- a/file_handler.py
+++ b/file_handler.py
@@ -5,7 +5,7 @@ import datetime as dt
 
 
 class ItemDescriptor():
-    def __init__(self, name=None, id=None, type=None, value=None, definition=None, block_id=None, entity_type=None, shape=None, metadata=None, data_type=None, source_id=None) -> None:
+    def __init__(self, name=None, id=None, type=None, value=None, definition=None, block_id=None, entity_type=None, shape=None, metadata=None, data_type=None, source_id=None, created_at=None, updated_at=None) -> None:
         super().__init__()
         self.name = name
         self.type = type
@@ -18,9 +18,25 @@ class ItemDescriptor():
         self.shape = shape
         self.metadata_id = metadata
         self.source_id = source_id
+        self.created_at = None
+        self.updated_at = None
         
     def to_html(self):
         descr = "<html><h4>%s: %s</h4>" % (self.type, self.name)
+        descr += "<ol style='list-style-type:none'>"
+        descr += "<li><small><b>id:</b> %s</small></li>" % (self.id)
+        descr += "<li><small><b>entity type:</b> %s</small></li>" % (self.entity_type.value)
+        descr += "<li><small><b>data type:</b> %s</small></li>" % (str(self.data_type))
+        descr += "<li><small><b>data shape:</b> %s</small></li>" % (str(self.shape))
+        descr += "<hr>"
+        descr += "<p><small><b>definition:</b> %s</small></p>" % (self.definition)
+        descr += "<hr>"
+        descr += "<li><small><b>metadata id:</b> %s</small></li>" % (self.metadata_id)
+        descr += "<li><small><b>source id:</b> %s</small></li>" % (self.source_id)
+        descr += "<hr>"
+        descr += "<li><small><b>created at:</b> %s</small></li>" % (str(dt.datetime.fromtimestamp(self.created_at)) if self.created_at else "")
+        descr += "<li><small><b>updated at:</b> %s</small></li>" % (str(dt.datetime.fromtimestamp(self.updated_at)) if self.updated_at else "")
+        descr += "</ol>"
         
         descr += "</html>"
         return descr
@@ -75,17 +91,17 @@ class FileDescriptor():
 
 class NodeType(Enum):
      Root = "root"
-     Section = "section"
-     Block = "block"
-     DataArray = "data_array"
-     DataFrame = "data_frame"
-     Property = "property"
-     Dimension = "dimension"
-     Source = "source"
-     Tag = "tag"
-     MultiTag = "multi_tag"
-     Group = "group"
-     Feature="feature"
+     Section = "Section"
+     Block = "Block"
+     DataArray = "Data Array"
+     DataFrame = "Data Frame"
+     Property = "Property"
+     Dimension = "Dimension"
+     Source = "Source"
+     Tag = "Tag"
+     MultiTag = "Multi Tag"
+     Group = "Group"
+     Feature="Feature"
 
 
 class Singleton(type):
@@ -249,6 +265,8 @@ class FileHandler(metaclass=Singleton):
             section = e.metadata if hasattr(e, "metadata") else None
             itd.metadata_id = section.id if section is not None else None
             itd.data_type = e.data_type if hasattr(e, "data_type") else None
+            itd.created_at = e.created_at if hasattr(e, "created_at") else None
+            itd.updated_at = e.updated_at if hasattr(e, "updated") else None
             itd.shape = e.shape if hasattr(e, "shape") else None
             src = e.source if hasattr(e, "source") else None
             itd.source_id = src.id if src is not None else None
