From ef69f16c2d8adccedd149ba08f120031b3897762 Mon Sep 17 00:00:00 2001
From: Mads Rasmussen <madsr@hey.com>
Date: Wed, 12 Nov 2025 08:32:33 +0100
Subject: [PATCH 1/2] Add validation property to PropertyEditorSettingsProperty

Introduces a 'validation' field to the PropertyEditorSettingsProperty interface, allowing configuration of mandatory status and custom mandatory messages for property editor settings.
---
 .../property-editor/extensions/property-editor.extension.ts   | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/property-editor/extensions/property-editor.extension.ts b/src/Umbraco.Web.UI.Client/src/packages/core/property-editor/extensions/property-editor.extension.ts
index 31ff43ed7b4a..3185e282c262 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/core/property-editor/extensions/property-editor.extension.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/property-editor/extensions/property-editor.extension.ts
@@ -69,6 +69,10 @@ export interface PropertyEditorSettingsProperty {
 	propertyEditorDataSourceAlias?: string;
 	config?: UmbPropertyEditorConfig;
 	weight?: number;
+	validation?: {
+		mandatory: boolean;
+		mandatoryMessage?: string | null;
+	};
 }
 
 // eslint-disable-next-line @typescript-eslint/naming-convention

From bbf04eedeff3cd2cc632dba440d256964be03de1 Mon Sep 17 00:00:00 2001
From: Mads Rasmussen <madsr@hey.com>
Date: Wed, 12 Nov 2025 08:32:57 +0100
Subject: [PATCH 2/2] Pass validation property to umb-property component

---
 .../property-editor-config/property-editor-config.element.ts   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Umbraco.Web.UI.Client/src/packages/data-type/components/property-editor-config/property-editor-config.element.ts b/src/Umbraco.Web.UI.Client/src/packages/data-type/components/property-editor-config/property-editor-config.element.ts
index 4ee552be0c88..8f3024744870 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/data-type/components/property-editor-config/property-editor-config.element.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/data-type/components/property-editor-config/property-editor-config.element.ts
@@ -52,7 +52,8 @@ export class UmbPropertyEditorConfigElement extends UmbLitElement {
 							alias=${property.alias}
 							property-editor-ui-alias=${property.propertyEditorUiAlias}
 							property-editor-data-source-alias=${ifDefined(property.propertyEditorDataSourceAlias)}
-							.config=${property.config}></umb-property>`,
+							.config=${property.config}
+							.validation=${property.validation}></umb-property>`,
 				)
 			: html`<umb-localize key="editdatatype_noConfiguration"
 					>There is no configuration for this property editor.</umb-localize