diff --git a/devdocs/specs/core-main-grids.txt b/devdocs/specs/core-main-grids.txt
index 86329b32..0a9ada0f 100644
--- a/devdocs/specs/core-main-grids.txt
+++ b/devdocs/specs/core-main-grids.txt
@@ -49,7 +49,7 @@ Server
                   - cm=column name locale key, dt=AyDataType, ay=AyaType to open on click of that column field (optional, not present if not openable)
                 - For example (wide list):
                     data:{
-                        columns:{[ {cm:"lt_client_name",dt:text,ay:client},{cm:"lt_client_notes",dt:text},{cm:"lt_last_workorder",dt:number,ay:workorder}]}
+                        columns:{[ {cm:"lt_client_name",dt:text,ay:2},{cm:"lt_client_notes",dt:text},{cm:"lt_last_workorder",dt:number,ay:workorder}]}
                         rows:{[ {display:"Green mechanics",id:32},"...notes...",{display:"42",id:42}, ...thousands more etc.... ]}
                         }
                 - For example (XS list)
diff --git a/devdocs/todo.txt b/devdocs/todo.txt
index af84141d..4404f62a 100644
--- a/devdocs/todo.txt
+++ b/devdocs/todo.txt
@@ -19,7 +19,10 @@ CURRENT MASTER PLAN IN CLIENT TODO
 REALLY MAKING MORE PROGRESS WHEN CLIENT DEV DRIVES BACKEND DEV, STICK TO THAT!!
 -----------------------
 
+DATATYPE: should this be an enum rather than text because text takes up a lot of space bandwidth wise and is inefficient and also an enum can allow compiler type enforcement to avoid typos etc
+
 GRID LISTS TODO NOW:
+
 	- RECODE GETLIST in WidgetBiz
 	- Return JSON and internally work with JSON so the list can return dynamic object
 		- https://devblogs.microsoft.com/dotnet/try-the-new-system-text-json-apis/
diff --git a/server/AyaNova/biz/ObjectFields.cs b/server/AyaNova/biz/ObjectFields.cs
index be31c411..382eea07 100644
--- a/server/AyaNova/biz/ObjectFields.cs
+++ b/server/AyaNova/biz/ObjectFields.cs
@@ -145,11 +145,9 @@ namespace AyaNova.Biz
             var fullFields = ((JArray)jtemplate["full"]).ToObject<string[]>();
 
             //Generate JSON fragment to return with column definitions
-            StringBuilder sb=new StringBuilder();
-            // StringWriter sw = new StringWriter();
-            // JsonTextWriter writer = new JsonTextWriter(sw);
-            // writer.WriteStartObject();//{
-                // ColumnsJSON=@"""columns"":[ {""cm"":""Widget"",""dt"":""text"",""ay"":"+ AyaType.Widget.ToString()+ "},{..etc..}]";
+            StringBuilder sb = new StringBuilder();
+
+            // ColumnsJSON=@"""columns"":[ {""cm"":""Widget"",""dt"":""text"",""ay"":"+ AyaType.Widget.ToString()+ "},{..etc..}]";
             sb.Append("\"columns\":[");
             foreach (string s in fullFields)
             {
@@ -161,14 +159,14 @@ namespace AyaNova.Biz
                     sb.Append($"\"cm\":\"{o.Key}\",\"dt\":\"{o.DataType}\"");
 
                     //Has a AyObjectType (linkable / openable?)
-                    if(o.AyObjectType!=0)
+                    if (o.AyObjectType != 0)
                         sb.Append($",\"ay\":{o.AyObjectType}");
 
                     sb.Append("}");
                 }
             }
             sb.Append("]");
-            // writer.WriteEndObject();//}
+
             return sb.ToString();
         }