Solution/add custom column to table on op

app/travel_processor/webapp/ext/fragment/ServingTimeOfMeals.fragment.xml

@@ -0,0 +1,12 @@
+<core:FragmentDefinition xmlns:core="sap.ui.core" xmlns="sap.m">
+    <SegmentedButton core:require="{handler: 'sap/fe/cap/travel/ext/fragment/ServingTimeOfMeals'}" id="SB1" 
+        selectionChange="handler.onSelectionChange" 
+        enabled="{ui>/isEditable}"
+        selectedKey="{= ${DeliveryPreference_code}}">
+        <items>
+            <SegmentedButtonItem id="_IDGenSegmentedButtonItem1" text="{i18n>early}" key="S" />
+            <SegmentedButtonItem id="_IDGenSegmentedButtonItem2" text="{i18n>mid}" key="M" />
+            <SegmentedButtonItem id="_IDGenSegmentedButtonItem3" text="{i18n>late}" key="L" />
+        </items>
+    </SegmentedButton>
+</core:FragmentDefinition>

app/travel_processor/webapp/ext/fragment/ServingTimeOfMeals.js

@@ -0,0 +1,13 @@
+sap.ui.define([
+    "sap/m/MessageToast"
+], function(MessageToast) {
+    'use strict';
+
+    return {
+       onSelectionChange: function(oEvent) {
+            var sNewDeliveryPreferenceCode = oEvent.getParameter("item").getKey();
+            var oSegmBtn = oEvent.getSource();
+            oSegmBtn.getBindingContext().setProperty("DeliveryPreference_code", sNewDeliveryPreferenceCode);
+       }
+    };
+});

app/travel_processor/webapp/i18n/i18n.properties

@@ -7,3 +7,18 @@ title=Manage Travels
 
 #YDES: Application description
 description=Manage Travels
+
+#XCOL: Custom column header text
+servingTimeOfMeals=Serving Time of Meals
+
+#XTIT: Delivery preference of the Meal during the flight
+deliveryPreference=Delivery Preference
+
+#XTIT: Early time of meal delivery during the flight
+early=early
+
+#XTIT: Mid time of meal delivery during the flight
+mid=mid
+
+#XTIT: Later time of meal delivery during the flight
+late=late

app/travel_processor/webapp/manifest.json

@@ -204,7 +204,21 @@
                     "options": {
                         "settings": {
                             "entitySet": "Booking",
-                            "editableHeaderContent": false
+                            "editableHeaderContent": false,
+                            "controlConfiguration": {
+                                "to_BookSupplement/@com.sap.vocabularies.UI.v1.LineItem": {
+                                    "columns": {
+                                        "ServingTimeOfMeals": {
+                                            "header": "{i18n>servingTimeOfMeals}",
+                                            "position": {
+                                                "anchor": "DataField::Price",
+                                                "placement": "After"
+                                            },
+                                            "template": "sap.fe.cap.travel.ext.fragment.ServingTimeOfMeals"
+                                        }
+                                    }
+                                }
+                            }
                         }
                     }
                 }

db/data/sap.fe.cap.travel-MealOptionDeliveryPreference.csv

@@ -0,0 +1,4 @@
+code;name;descr
+S;SoonAfterTakeoff;Delivery as early as possible after the take-off
+M;Midflight;Not too early not too late
+L;Late;Late in the flight while still allowing you to finish the meal or drink before the landing

db/schema.cds

@@ -48,6 +48,7 @@ entity BookingSupplement : managed {
   key BookSupplUUID   : UUID;
   BookingSupplementID : Integer @Core.Computed;
   Price               : Decimal(16, 3);
+  DeliveryPreference  : Association to  MealOptionDeliveryPreference;
   CurrencyCode        : Currency;
   to_Booking          : Association to Booking;
   to_Travel           : Association to Travel;
@@ -107,4 +108,12 @@ entity SupplementScope {
   TargetValue            : Integer @Common.Label: 'Target Value';
   DeviationRangeLowValue : Integer @Common.Label: 'Deviation Range Threshold';
   ToleranceRangeLowValue : Integer @Common.Label: 'Tolerance Range Threshold';  
-}
+};
+
+entity MealOptionDeliveryPreference: CodeList {
+  key code : String enum {
+    SoonAfterTakeoff = 'S';
+    Midflight = 'M';
+    Late = 'L';
+  } default 'M'
+};