diff --git a/Core/OfficeDevPnP.Core/Framework/Provisioning/Model/SharePoint/Customizations/CustomAction.cs b/Core/OfficeDevPnP.Core/Framework/Provisioning/Model/SharePoint/Customizations/CustomAction.cs
index e8ce16d903..cc97a2f5b3 100644
--- a/Core/OfficeDevPnP.Core/Framework/Provisioning/Model/SharePoint/Customizations/CustomAction.cs
+++ b/Core/OfficeDevPnP.Core/Framework/Provisioning/Model/SharePoint/Customizations/CustomAction.cs
@@ -99,6 +99,10 @@ public partial class CustomAction : BaseModel, IEquatable<CustomAction>
         /// </summary>
         public String ClientSideComponentProperties { get; set; }
 
+        /// <summary>
+        /// Gets or sets a value for the ClientSideHostProperties, if any
+        /// </summary>
+        public String ClientSideHostProperties { get; set; }
         #endregion
 
         #region Comparison code
diff --git a/Core/OfficeDevPnP.Core/Framework/Provisioning/ObjectHandlers/ObjectCustomActions.cs b/Core/OfficeDevPnP.Core/Framework/Provisioning/ObjectHandlers/ObjectCustomActions.cs
index c58cf5d90e..5544b0786a 100644
--- a/Core/OfficeDevPnP.Core/Framework/Provisioning/ObjectHandlers/ObjectCustomActions.cs
+++ b/Core/OfficeDevPnP.Core/Framework/Provisioning/ObjectHandlers/ObjectCustomActions.cs
@@ -90,6 +90,7 @@ private void ProvisionCustomActionImplementation(object parent, CustomActionColl
 #if !SP2013 && !SP2016
                         ClientSideComponentId = customAction.ClientSideComponentId,
                         ClientSideComponentProperties = customAction.ClientSideComponentProperties != null ? parser.ParseString(customAction.ClientSideComponentProperties) : customAction.ClientSideComponentProperties,
+                        ClientSideHostProperties = customAction.ClientSideHostProperties != null ? parser.ParseString(customAction.ClientSideHostProperties) : customAction.ClientSideHostProperties,
 #endif
                         CommandUIExtension = customAction.CommandUIExtension != null ? parser.ParseString(customAction.CommandUIExtension.ToString()) : string.Empty,
                         Description = parser.ParseString(customAction.Description),
diff --git a/Core/OfficeDevPnP.Core/Framework/Provisioning/Providers/Xml/ProvisioningSchema-2020-02.cs b/Core/OfficeDevPnP.Core/Framework/Provisioning/Providers/Xml/ProvisioningSchema-2020-02.cs
index 7150a407d5..2aab5001b9 100644
--- a/Core/OfficeDevPnP.Core/Framework/Provisioning/Providers/Xml/ProvisioningSchema-2020-02.cs
+++ b/Core/OfficeDevPnP.Core/Framework/Provisioning/Providers/Xml/ProvisioningSchema-2020-02.cs
@@ -6954,7 +6954,9 @@ public partial class CustomAction {
         private string clientSideComponentIdField;
         
         private string clientSideComponentPropertiesField;
-        
+
+        private string clientSideHostPropertiesField;
+
         public CustomAction() {
             this.enabledField = true;
             this.removeField = false;
diff --git a/Core/OfficeDevPnP.Core/Framework/Provisioning/Providers/Xml/ProvisioningSchema-2020-02.xsd b/Core/OfficeDevPnP.Core/Framework/Provisioning/Providers/Xml/ProvisioningSchema-2020-02.xsd
index 0b8d2239e9..018455113a 100644
--- a/Core/OfficeDevPnP.Core/Framework/Provisioning/Providers/Xml/ProvisioningSchema-2020-02.xsd
+++ b/Core/OfficeDevPnP.Core/Framework/Provisioning/Providers/Xml/ProvisioningSchema-2020-02.xsd
@@ -4582,6 +4582,14 @@
       </xsd:annotation>
     </xsd:attribute>
 
+    <xsd:attribute name="ClientSideHostProperties" type="xsd:string" use="optional">
+      <xsd:annotation>
+        <xsd:documentation xml:lang="en">
+          The Client Side Host Properties of a customizer, optional attribute.
+        </xsd:documentation>
+      </xsd:annotation>
+    </xsd:attribute>
+  
   </xsd:complexType>
 
   <xsd:complexType name="SiteWebhooksList">