diff --git a/app/models/event_session_models.py b/app/models/event_session_models.py
index 94ba7aa..08fa8e4 100644
--- a/app/models/event_session_models.py
+++ b/app/models/event_session_models.py
@@ -53,7 +53,7 @@ class Event_Session_Base(BaseModel):
 
     # type_id_random: Optional[str] # Not used or needed?
     # type_id: Optional[int] # Not used or needed?
-    type_code: Optional[str] # None, poster (image, video), assume presentation (PPT, Key, PDF, etc)
+    type_code: Optional[str] # From client; max 25 characters for now; This is a bug with MariaDB?
 
     name: Optional[str]
     description: Optional[str]
@@ -61,20 +61,24 @@ class Event_Session_Base(BaseModel):
     start_datetime: Optional[datetime.datetime]
     end_datetime: Optional[datetime.datetime]
 
-    attend_url: Optional[str]
-    attend_url_text: Optional[str]
-    attend_url_passcode: Optional[str]
-    attend_phone: Optional[str]
-    attend_phone_passcode: Optional[str]
-    attend_text: Optional[str]
+    # Need to redo this using a JSON field
+    # attend_url: Optional[str]
+    # attend_url_text: Optional[str]
+    # attend_url_passcode: Optional[str]
+    # attend_phone: Optional[str]
+    # attend_phone_passcode: Optional[str]
+    # attend_text: Optional[str]
+    attend_json: Optional[Union[Json, None]]
 
-    rehearsal_start_datetime: Optional[datetime.datetime]
-    rehearsal_end_datetime: Optional[datetime.datetime]
-    rehearsal_url: Optional[str]
-    rehearsal_url_passcode: Optional[str]
-    rehearsal_phone: Optional[str]
-    rehearsal_phone_passcode: Optional[str]
-    rehearsal_text: Optional[str]
+    # Need to redo this using a JSON field
+    # rehearsal_start_datetime: Optional[datetime.datetime]
+    # rehearsal_end_datetime: Optional[datetime.datetime]
+    # rehearsal_url: Optional[str]
+    # rehearsal_url_passcode: Optional[str]
+    # rehearsal_phone: Optional[str]
+    # rehearsal_phone_passcode: Optional[str]
+    # rehearsal_text: Optional[str]
+    rehearsal_json: Optional[Union[Json, None]]
 
     image_path: Optional[str] # Not currently in use. For a banner or logo
     # presentation_file_path: Optional[str] # No longer used 2022-09-15
@@ -110,6 +114,11 @@ class Event_Session_Base(BaseModel):
     alert: Optional[bool]
     alert_msg: Optional[str]
 
+    # Options: 'colloquium', 'lecture', 'panel', 'poster', 'symposium', 'workshop'
+    # This is mainly reflected in the Launcher.
+    ux_mode: Optional[str]
+    # Other options??? None, poster (image, video), assume presentation (PPT, Key, PDF, etc)
+
     enable: Optional[bool]
     enable_from: Optional[datetime.datetime] = None
     enable_to: Optional[datetime.datetime] = None