diff --git a/src/wizards/wizard-library.ts b/src/wizards/wizard-library.ts
index d993403bcd..d628e62141 100644
--- a/src/wizards/wizard-library.ts
+++ b/src/wizards/wizard-library.ts
@@ -15,14 +15,21 @@ import {
   voltageLevelCreateWizard,
   voltageLevelEditWizard,
 } from './voltagelevel.js';
-import { createPowerTransformerWizard, editPowerTransformerWizard } from './powertransformer.js';
+import {
+  createPowerTransformerWizard,
+  editPowerTransformerWizard,
+} from './powertransformer.js';
 import { editSubNetworkWizard } from './subnetwork.js';
 import { editIEDWizard } from './ied.js';
 import { editTrgOpsWizard } from './trgops.js';
 import { createDaWizard } from './da.js';
 import { editDAIWizard } from './dai.js';
+import { createFunctionWizard } from './function.js';
 
-type SclElementWizard = (element: Element, instanceElement?: Element) => Wizard | undefined;
+type SclElementWizard = (
+  element: Element,
+  instanceElement?: Element
+) => Wizard | undefined;
 
 export function emptyWizard(): Wizard | undefined {
   return;
@@ -201,7 +208,7 @@ export const wizards: Record<
   },
   Function: {
     edit: emptyWizard,
-    create: emptyWizard,
+    create: createFunctionWizard,
   },
   GeneralEquipment: {
     edit: emptyWizard,
diff --git a/test/integration/editors/substation/bay-editor-wizarding-editing.test.ts b/test/integration/editors/substation/bay-editor-wizarding-editing.test.ts
index 86f737074a..cd5629f711 100644
--- a/test/integration/editors/substation/bay-editor-wizarding-editing.test.ts
+++ b/test/integration/editors/substation/bay-editor-wizarding-editing.test.ts
@@ -342,4 +342,77 @@ describe('bay-editor wizarding editing integration', () => {
       );
     });
   });
+
+  describe('open create wizard for element Function', () => {
+    let doc: XMLDocument;
+    let parent: MockWizardEditor;
+    let element: BayEditor | null;
+
+    let nameField: WizardTextField;
+    let primaryAction: HTMLElement;
+
+    beforeEach(async () => {
+      doc = await fetch('/test/testfiles/zeroline/functions.scd')
+        .then(response => response.text())
+        .then(str => new DOMParser().parseFromString(str, 'application/xml'));
+      parent = <MockWizardEditor>(
+        await fixture(
+          html`<mock-wizard-editor
+            ><bay-editor .element=${doc.querySelector('Bay')}></bay-editor
+          ></mock-wizard-editor>`
+        )
+      );
+
+      element = parent.querySelector('bay-editor');
+
+      (<HTMLElement>(
+        element?.shadowRoot?.querySelector('mwc-list-item[value="Function"]')
+      )).click();
+      await parent.updateComplete;
+
+      nameField = <WizardTextField>(
+        parent.wizardUI.dialog?.querySelector('wizard-textfield[label="name"]')
+      );
+
+      primaryAction = <HTMLElement>(
+        parent.wizardUI.dialog?.querySelector(
+          'mwc-button[slot="primaryAction"]'
+        )
+      );
+    });
+
+    it('does not add Function if name attribute is not unique', async () => {
+      expect(
+        doc.querySelector('Bay[name="COUPLING_BAY"] > Function[name="bayName"]')
+      ).to.exist;
+
+      nameField.value = 'bayName';
+      primaryAction.click();
+      await parent.updateComplete;
+
+      expect(
+        doc.querySelectorAll(
+          'Bay[name="COUPLING_BAY"] > Function[name="bayName"]'
+        ).length
+      ).to.equal(1);
+    });
+
+    it('does add Function if name attribute is unique', async () => {
+      expect(
+        doc.querySelector(
+          'Bay[name="COUPLING_BAY"] > Function[name="someNewFunction"]'
+        )
+      ).to.not.exist;
+
+      nameField.value = 'someNewFunction';
+      await parent.updateComplete;
+      primaryAction.click();
+
+      expect(
+        doc.querySelector(
+          'Bay[name="COUPLING_BAY"] > Function[name="someNewFunction"]'
+        )
+      ).to.exist;
+    });
+  });
 });
diff --git a/test/integration/editors/substation/substation-editor-wizarding-editing.test.ts b/test/integration/editors/substation/substation-editor-wizarding-editing.test.ts
index 65e7780fa7..d1e80b5365 100644
--- a/test/integration/editors/substation/substation-editor-wizarding-editing.test.ts
+++ b/test/integration/editors/substation/substation-editor-wizarding-editing.test.ts
@@ -210,4 +210,70 @@ describe('substation-editor wizarding editing integration', () => {
       expect(doc.querySelector('Substation')).to.not.exist;
     });
   });
+
+  describe('open create wizard for element Function', () => {
+    let doc: XMLDocument;
+    let parent: MockWizardEditor;
+    let element: SubstationEditor | null;
+
+    let nameField: WizardTextField;
+    let primaryAction: HTMLElement;
+
+    beforeEach(async () => {
+      doc = await fetch('/test/testfiles/zeroline/functions.scd')
+        .then(response => response.text())
+        .then(str => new DOMParser().parseFromString(str, 'application/xml'));
+      parent = <MockWizardEditor>(
+        await fixture(
+          html`<mock-wizard-editor
+            ><substation-editor
+              .element=${doc.querySelector('Substation')}
+            ></substation-editor
+          ></mock-wizard-editor>`
+        )
+      );
+
+      element = parent.querySelector('substation-editor');
+
+      (<HTMLElement>(
+        element?.shadowRoot?.querySelector('mwc-list-item[value="Function"]')
+      )).click();
+      await parent.updateComplete;
+
+      nameField = <WizardTextField>(
+        parent.wizardUI.dialog?.querySelector('wizard-textfield[label="name"]')
+      );
+
+      primaryAction = <HTMLElement>(
+        parent.wizardUI.dialog?.querySelector(
+          'mwc-button[slot="primaryAction"]'
+        )
+      );
+    });
+
+    it('does not add Function if name attribute is not unique', async () => {
+      expect(doc.querySelector('Substation > Function[name="myFunc"]')).to
+        .exist;
+
+      nameField.value = 'myFunc';
+      primaryAction.click();
+      await parent.updateComplete;
+
+      expect(
+        doc.querySelectorAll('Substation > Function[name="myFunc"]').length
+      ).to.equal(1);
+    });
+
+    it('does add Function if name attribute is unique', async () => {
+      expect(doc.querySelector('Substation > Function[name="someNewFunction"]'))
+        .to.not.exist;
+
+      nameField.value = 'someNewFunction';
+      await parent.updateComplete;
+      primaryAction.click();
+
+      expect(doc.querySelector('Substation > Function[name="someNewFunction"]'))
+        .to.exist;
+    });
+  });
 });
diff --git a/test/integration/editors/substation/voltage-level-editor-wizarding-editing.test.ts b/test/integration/editors/substation/voltage-level-editor-wizarding-editing.test.ts
index e2c9670038..2f75d96ed7 100644
--- a/test/integration/editors/substation/voltage-level-editor-wizarding-editing.test.ts
+++ b/test/integration/editors/substation/voltage-level-editor-wizarding-editing.test.ts
@@ -428,4 +428,81 @@ describe('voltage-level-editor wizarding editing integration', () => {
       );
     });
   });
+
+  describe('open create wizard for element Function', () => {
+    let doc: XMLDocument;
+    let parent: MockWizardEditor;
+    let element: VoltageLevelEditor | null;
+
+    let nameField: WizardTextField;
+    let primaryAction: HTMLElement;
+
+    beforeEach(async () => {
+      doc = await fetch('/test/testfiles/zeroline/functions.scd')
+        .then(response => response.text())
+        .then(str => new DOMParser().parseFromString(str, 'application/xml'));
+      parent = <MockWizardEditor>(
+        await fixture(
+          html`<mock-wizard-editor
+            ><voltage-level-editor
+              .element=${doc.querySelector('VoltageLevel')}
+            ></voltage-level-editor
+          ></mock-wizard-editor>`
+        )
+      );
+
+      element = parent.querySelector('voltage-level-editor');
+
+      (<HTMLElement>(
+        element?.shadowRoot?.querySelector('mwc-list-item[value="Function"]')
+      )).click();
+      await parent.updateComplete;
+
+      nameField = <WizardTextField>(
+        parent.wizardUI.dialog?.querySelector('wizard-textfield[label="name"]')
+      );
+
+      primaryAction = <HTMLElement>(
+        parent.wizardUI.dialog?.querySelector(
+          'mwc-button[slot="primaryAction"]'
+        )
+      );
+    });
+
+    it('does not add Function if name attribute is not unique', async () => {
+      expect(
+        doc.querySelector(
+          'VoltageLevel[name="E1"] > Function[name="voltLvName"]'
+        )
+      ).to.exist;
+
+      nameField.value = 'voltLvName';
+      primaryAction.click();
+      await parent.updateComplete;
+
+      expect(
+        doc.querySelectorAll(
+          'VoltageLevel[name="E1"] > Function[name="voltLvName"]'
+        ).length
+      ).to.equal(1);
+    });
+
+    it('does add Function if name attribute is unique', async () => {
+      expect(
+        doc.querySelector(
+          'VoltageLevel[name="E1"] > Function[name="someNewFunction"]'
+        )
+      ).to.not.exist;
+
+      nameField.value = 'someNewFunction';
+      await parent.updateComplete;
+      primaryAction.click();
+
+      expect(
+        doc.querySelector(
+          'VoltageLevel[name="E1"] > Function[name="someNewFunction"]'
+        )
+      ).to.exist;
+    });
+  });
 });
diff --git a/test/unit/editors/substation/__snapshots__/bay-editor.test.snap.js b/test/unit/editors/substation/__snapshots__/bay-editor.test.snap.js
index c9cf9629b7..07cdf86415 100644
--- a/test/unit/editors/substation/__snapshots__/bay-editor.test.snap.js
+++ b/test/unit/editors/substation/__snapshots__/bay-editor.test.snap.js
@@ -85,6 +85,17 @@ snapshots["bay-editor looks like the latest snapshot"] =
           ConductingEquipment
         </span>
       </mwc-list-item>
+      <mwc-list-item
+        aria-disabled="false"
+        mwc-list-item=""
+        role="menuitem"
+        tabindex="-1"
+        value="Function"
+      >
+        <span>
+          Function
+        </span>
+      </mwc-list-item>
     </mwc-menu>
   </abbr>
   <div class="actionicon content">
@@ -187,6 +198,17 @@ snapshots["bay-editor with readonly property looks like the latest snapshot"] =
           ConductingEquipment
         </span>
       </mwc-list-item>
+      <mwc-list-item
+        aria-disabled="false"
+        mwc-list-item=""
+        role="menuitem"
+        tabindex="-1"
+        value="Function"
+      >
+        <span>
+          Function
+        </span>
+      </mwc-list-item>
     </mwc-menu>
   </abbr>
   <div class="actionicon content">
@@ -289,6 +311,17 @@ snapshots["bay-editor with function filter deactivated looks like the latest sna
           ConductingEquipment
         </span>
       </mwc-list-item>
+      <mwc-list-item
+        aria-disabled="false"
+        mwc-list-item=""
+        role="menuitem"
+        tabindex="-1"
+        value="Function"
+      >
+        <span>
+          Function
+        </span>
+      </mwc-list-item>
     </mwc-menu>
   </abbr>
   <function-editor>
diff --git a/test/unit/editors/substation/__snapshots__/substation-editor.test.snap.js b/test/unit/editors/substation/__snapshots__/substation-editor.test.snap.js
index 45962bfda5..ba9c015999 100644
--- a/test/unit/editors/substation/__snapshots__/substation-editor.test.snap.js
+++ b/test/unit/editors/substation/__snapshots__/substation-editor.test.snap.js
@@ -85,6 +85,17 @@ snapshots["substation-editor looks like the latest snapshot"] =
           VoltageLevel
         </span>
       </mwc-list-item>
+      <mwc-list-item
+        aria-disabled="false"
+        mwc-list-item=""
+        role="menuitem"
+        tabindex="-1"
+        value="Function"
+      >
+        <span>
+          Function
+        </span>
+      </mwc-list-item>
     </mwc-menu>
   </abbr>
   <voltage-level-editor>
@@ -179,6 +190,17 @@ snapshots["substation-editor with readonly property looks like the latest snapsh
           VoltageLevel
         </span>
       </mwc-list-item>
+      <mwc-list-item
+        aria-disabled="false"
+        mwc-list-item=""
+        role="menuitem"
+        tabindex="-1"
+        value="Function"
+      >
+        <span>
+          Function
+        </span>
+      </mwc-list-item>
     </mwc-menu>
   </abbr>
   <voltage-level-editor readonly="">
@@ -273,6 +295,17 @@ snapshots["substation-editor with function filter deactivated looks like the lat
           VoltageLevel
         </span>
       </mwc-list-item>
+      <mwc-list-item
+        aria-disabled="false"
+        mwc-list-item=""
+        role="menuitem"
+        tabindex="-1"
+        value="Function"
+      >
+        <span>
+          Function
+        </span>
+      </mwc-list-item>
     </mwc-menu>
   </abbr>
   <function-editor>
diff --git a/test/unit/editors/substation/__snapshots__/voltage-level-editor.test.snap.js b/test/unit/editors/substation/__snapshots__/voltage-level-editor.test.snap.js
index c87b96a48f..6ec0e16378 100644
--- a/test/unit/editors/substation/__snapshots__/voltage-level-editor.test.snap.js
+++ b/test/unit/editors/substation/__snapshots__/voltage-level-editor.test.snap.js
@@ -86,6 +86,17 @@ snapshots["voltage-level-editor looks like the latest snapshot"] =
           Bay
         </span>
       </mwc-list-item>
+      <mwc-list-item
+        aria-disabled="false"
+        mwc-list-item=""
+        role="menuitem"
+        tabindex="-1"
+        value="Function"
+      >
+        <span>
+          Function
+        </span>
+      </mwc-list-item>
     </mwc-menu>
   </abbr>
   <div id="bayContainer">
@@ -183,6 +194,17 @@ snapshots["voltage-level-editor with readonly property looks like the latest sna
           Bay
         </span>
       </mwc-list-item>
+      <mwc-list-item
+        aria-disabled="false"
+        mwc-list-item=""
+        role="menuitem"
+        tabindex="-1"
+        value="Function"
+      >
+        <span>
+          Function
+        </span>
+      </mwc-list-item>
     </mwc-menu>
   </abbr>
   <div id="bayContainer">
@@ -280,6 +302,17 @@ snapshots["voltage-level-editor with function filter deactivated looks like the
           Bay
         </span>
       </mwc-list-item>
+      <mwc-list-item
+        aria-disabled="false"
+        mwc-list-item=""
+        role="menuitem"
+        tabindex="-1"
+        value="Function"
+      >
+        <span>
+          Function
+        </span>
+      </mwc-list-item>
     </mwc-menu>
   </abbr>
   <function-editor>