diff --git a/103221-1/TS_103_221_01_DestinationSet.xsd b/103221-1/TS_103_221_01_DestinationSet.xsd
new file mode 100644
index 0000000000000000000000000000000000000000..2da24cfad8906c2a7d1aaffe585d3233421683c4
--- /dev/null
+++ b/103221-1/TS_103_221_01_DestinationSet.xsd
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="http://uri.etsi.org/03221/X1/2017/10/HashedID" xmlns:x1="http://uri.etsi.org/03221/X1/2017/10" xmlns:etsi103280="http://uri.etsi.org/03280/common/2017/07" targetNamespace="http://uri.etsi.org/03221/X1/2017/10/DestinationSet" elementFormDefault="qualified" version="1.11.1">
+	<xs:import namespace="http://uri.etsi.org/03280/common/2017/07"/>
+	<xs:import namespace="http://uri.etsi.org/03221/X1/2017/10"/>
+	<!-- Message containers -->
+	<xs:complexType name="DestinationSetDetails">
+		<xs:complexContent>
+			<xs:extension base="x1:GenericObject">
+				<xs:sequence>
+					<xs:element name="friendlyName" type="xs:string" minOccurs="0"/>>
+					<xs:element name="listOfIncludedDID" type="ListOfIncludedDID"/>
+					<xs:element name="destinationSetDetailsExtension" type="DestinationSetDetailsExtension" minOccurs="0" maxOccurs="unbounded"/>
+					<xs:element name="type" type="Type"/>
+				</xs:sequence>
+			</xs:extension>
+		</xs:complexContent>
+	</xs:complexType>
+	<xs:complexType name="ListOfIncludedDID">
+		<xs:sequence>
+			<xs:element name="dId" type="x1:DId"/>
+			<xs:element name="preference" type="xs:integer"/>
+		</xs:sequence>
+	</xs:complexType>
+	<xs:simpleType name="DestinationSetDetailsExtension">
+		<xs:restriction base="x1:Extension">
+		</xs:restriction>
+	</xs:simpleType>
+	<xs:simpleType name="Type">
+		<xs:restriction base="xs:string">
+			<xs:enumeration value="Redundant"/>
+			<xs:enumeration value="Duplicate"/>
+		</xs:restriction>
+</xs:schema>