diff --git a/Gas Man/Gas_Man.xcdatamodeld/Gas_Man.xcdatamodel/contents b/Gas Man/Gas_Man.xcdatamodeld/Gas_Man.xcdatamodel/contents
index d237e25..59a565c 100644
--- a/Gas Man/Gas_Man.xcdatamodeld/Gas_Man.xcdatamodel/contents	
+++ b/Gas Man/Gas_Man.xcdatamodeld/Gas_Man.xcdatamodel/contents	
@@ -14,7 +14,17 @@
         <attribute name="pricePerGalon" attributeType="Double" defaultValueString="0.0" usesScalarValueType="YES"/>
         <relationship name="vehicle" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Vehicle" inverseName="fuelLog" inverseEntity="Vehicle"/>
     </entity>
-    <entity name="Item" representedClassName="Item" syncable="YES" codeGenerationType="class"/>
+    <entity name="Issues" representedClassName="Issues" syncable="YES" codeGenerationType="class">
+        <attribute name="id" attributeType="UUID" usesScalarValueType="NO"/>
+        <attribute name="issue" attributeType="String"/>
+        <attribute name="issueDescription" optional="YES" attributeType="String"/>
+        <attribute name="notes" optional="YES" attributeType="String"/>
+        <attribute name="repaired" optional="YES" attributeType="Boolean" usesScalarValueType="YES"/>
+        <attribute name="timestamp" attributeType="Date" usesScalarValueType="NO"/>
+        <relationship name="mainenance" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="MaintenanceEvent" inverseName="issue" inverseEntity="MaintenanceEvent"/>
+        <relationship name="parts" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Parts" inverseName="issue" inverseEntity="Parts"/>
+        <relationship name="vehicle" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Vehicle" inverseName="issue" inverseEntity="Vehicle"/>
+    </entity>
     <entity name="MaintenanceEvent" representedClassName="MaintenanceEvent" isAbstract="YES" syncable="YES" codeGenerationType="class">
         <attribute name="cost" optional="YES" attributeType="Double" defaultValueString="0.0" usesScalarValueType="YES"/>
         <attribute name="date" optional="YES" attributeType="Date" usesScalarValueType="NO"/>
@@ -24,6 +34,25 @@
         <attribute name="locationName" optional="YES" attributeType="String"/>
         <attribute name="notes" optional="YES" attributeType="String"/>
         <attribute name="odometer" optional="YES" attributeType="Double" defaultValueString="0.0" usesScalarValueType="YES"/>
+        <relationship name="issue" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Issues" inverseName="mainenance" inverseEntity="Issues"/>
+        <relationship name="parts" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Parts" inverseName="maintenance" inverseEntity="Parts"/>
+        <relationship name="vehicle" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Vehicle" inverseName="maintenance" inverseEntity="Vehicle"/>
+    </entity>
+    <entity name="Parts" representedClassName="Parts" syncable="YES" codeGenerationType="class">
+        <attribute name="id" attributeType="UUID" usesScalarValueType="NO"/>
+        <attribute name="partBrand" optional="YES"/>
+        <attribute name="partLink" optional="YES" attributeType="URI"/>
+        <attribute name="partModel" optional="YES"/>
+        <attribute name="partName" attributeType="String"/>
+        <attribute name="pricePerUnit" optional="YES" attributeType="Double" defaultValueString="0.0" usesScalarValueType="YES"/>
+        <attribute name="purchased" optional="YES" attributeType="Boolean" usesScalarValueType="YES"/>
+        <attribute name="purchaseDate" optional="YES" attributeType="Date" usesScalarValueType="NO"/>
+        <attribute name="purchasedFrom" optional="YES" attributeType="String"/>
+        <attribute name="totalCost" optional="YES" attributeType="Double" defaultValueString="0.0" usesScalarValueType="YES"/>
+        <attribute name="units" optional="YES" attributeType="Integer 16" defaultValueString="0" usesScalarValueType="YES"/>
+        <relationship name="issue" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Issues" inverseName="parts" inverseEntity="Issues"/>
+        <relationship name="maintenance" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="MaintenanceEvent" inverseName="parts" inverseEntity="MaintenanceEvent"/>
+        <relationship name="vehicle" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Vehicle" inverseName="parts" inverseEntity="Vehicle"/>
     </entity>
     <entity name="Vehicle" representedClassName="Vehicle" syncable="YES">
         <attribute name="color" attributeType="String" defaultValueString=""/>
@@ -52,5 +81,8 @@
         <attribute name="wheelSizeWidth" optional="YES" attributeType="Double" defaultValueString="0.0" usesScalarValueType="YES"/>
         <attribute name="year" attributeType="String" minValueString="4" maxValueString="4" defaultValueString="2025" regularExpressionString="[0-9][0-9][0-9][0-9]"/>
         <relationship name="fuelLog" optional="YES" toMany="YES" deletionRule="Nullify" destinationEntity="FuelLog" inverseName="vehicle" inverseEntity="FuelLog"/>
+        <relationship name="issue" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Issues" inverseName="vehicle" inverseEntity="Issues"/>
+        <relationship name="maintenance" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="MaintenanceEvent" inverseName="vehicle" inverseEntity="MaintenanceEvent"/>
+        <relationship name="parts" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Parts" inverseName="vehicle" inverseEntity="Parts"/>
     </entity>
 </model>
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