diff --git a/src/helpers/jwtHelper.ts b/src/helpers/jwtHelper.ts
index c16f2a2..5708ab8 100644
--- a/src/helpers/jwtHelper.ts
+++ b/src/helpers/jwtHelper.ts
@@ -58,7 +58,10 @@ export abstract class JWTHelper {
     let rolePermissions =
       userRoles.length != 0 ? await RolePermissionService.getByRoles(userRoles.map((e) => e.id)) : [];
     let rolePermissionStrings = rolePermissions.map((e) => e.permission);
-    let permissionObject = PermissionHelper.convertToObject([...userPermissionStrings, ...rolePermissionStrings]);
+    let permissionObject = PermissionHelper.convertToObject(
+      [...userPermissionStrings, ...rolePermissionStrings],
+      isOwner
+    );
 
     let jwtData: JWTToken = {
       userId: id,
diff --git a/src/helpers/permissionHelper.ts b/src/helpers/permissionHelper.ts
index 86b27e2..6a83f92 100644
--- a/src/helpers/permissionHelper.ts
+++ b/src/helpers/permissionHelper.ts
@@ -4,9 +4,11 @@ import {
   permissionModules,
   PermissionObject,
   PermissionSection,
+  permissionSections,
   PermissionString,
   PermissionType,
   permissionTypes,
+  sectionsAndModules,
 } from "../type/permissionTypes";
 import ForbiddenRequestException from "../exceptions/forbiddenRequestException";
 
@@ -17,8 +19,8 @@ export default class PermissionHelper {
     section: PermissionSection,
     module?: PermissionModule
   ) {
-    if (type == "admin") return permissions?.admin ?? false;
-    if (permissions?.admin) return true;
+    if (type == "admin") return permissions?.admin ?? permissions?.adminByOwner ?? false;
+    if (permissions?.admin || permissions?.adminByOwner) return true;
     if (
       (!module &&
         permissions[section] != undefined &&
@@ -50,8 +52,8 @@ export default class PermissionHelper {
     type: PermissionType | "admin",
     section: PermissionSection
   ): boolean {
-    if (type == "admin") return permissions?.admin ?? false;
-    if (permissions?.admin) return true;
+    if (type == "admin") return permissions?.admin ?? permissions?.adminByOwner ?? false;
+    if (permissions?.admin || permissions?.adminByOwner) return true;
     if (
       permissions[section]?.all == "*" ||
       permissions[section]?.all?.includes(type) ||
@@ -73,6 +75,11 @@ export default class PermissionHelper {
     }, false);
   }
 
+  static canValue(permissions: PermissionObject, key: string, emptyIfAdmin: boolean = false): string {
+    if (emptyIfAdmin && (permissions.admin || permissions.adminByOwner)) return "";
+    return permissions?.additional?.[key] ?? "";
+  }
+
   static passCheckMiddleware(
     requiredPermissions: PermissionType | "admin",
     section: PermissionSection,
@@ -159,14 +166,28 @@ export default class PermissionHelper {
     };
   }
 
-  static convertToObject(permissions: Array<PermissionString>): PermissionObject {
-    if (permissions.includes("*")) {
+  static convertToObject(permissions: Array<PermissionString>, isOwner: boolean = false): PermissionObject {
+    let isAdmin = permissions.includes("*");
+
+    let additional: { [key: string]: string } = {};
+    let additionalPermissions = permissions.map((e) => e.split(".")).filter((e) => e[0] == "additional") as Array<
+      ["additional", string, string]
+    >;
+    for (let split of additionalPermissions) {
+      let module = sectionsAndModules.additional.find((a) => a.key == split[1]);
+      if (!isAdmin || (isAdmin && !module.emptyIfAdmin)) additional[split[1]] = split[2];
+    }
+
+    if (isAdmin) {
       return {
         admin: true,
+        adminByOwner: isOwner,
+        ...(Object.keys(additional).length > 0 && { additional }),
       };
     }
+
     let output: PermissionObject = {};
-    let splitPermissions = permissions.map((e) => e.split(".")) as Array<
+    let splitPermissions = permissions.map((e) => e.split(".")).filter((e) => e[0] != "additional") as Array<
       [PermissionSection, PermissionModule | PermissionType | "*", PermissionType | "*"]
     >;
     for (let split of splitPermissions) {
@@ -208,15 +229,31 @@ export default class PermissionHelper {
         }
       }
     }
-    return output;
+
+    return {
+      adminByOwner: isOwner,
+      ...output,
+      ...(Object.keys(additional).length > 0 && { additional }),
+    };
   }
 
   static convertToStringArray(permissions: PermissionObject): Array<PermissionString> {
-    if (permissions?.admin) {
-      return ["*"];
+    let isAdmin = permissions?.admin;
+
+    let additional: Array<PermissionString> = [];
+    let additionalPermissions = Object.entries(permissions?.additional ?? {});
+    for (let add of additionalPermissions) {
+      additional.push(`additional.${add[0]}.${add[1]}`);
     }
+
+    if (isAdmin) {
+      return ["*", ...additional];
+    }
+
     let output: Array<PermissionString> = [];
-    let sections = Object.keys(permissions) as Array<PermissionSection>;
+    let sections = Object.keys(permissions).filter((m: PermissionSection) =>
+      permissionSections.includes(m)
+    ) as Array<PermissionSection>;
     for (let section of sections) {
       if (permissions[section].all) {
         let types = permissions[section].all;
@@ -242,7 +279,8 @@ export default class PermissionHelper {
         }
       }
     }
-    return output;
+
+    return [...output, ...additional];
   }
 
   static getWhatToAdd(before: Array<PermissionString>, after: Array<PermissionString>): Array<PermissionString> {
diff --git a/src/type/permissionTypes.ts b/src/type/permissionTypes.ts
index e9ed138..1061d49 100644
--- a/src/type/permissionTypes.ts
+++ b/src/type/permissionTypes.ts
@@ -30,6 +30,7 @@ export type PermissionString =
   | `${PermissionSection}.${PermissionModule}.*` // für alle Berechtigungen in einem Modul
   | `${PermissionSection}.${PermissionType}` // für spezifische Berechtigungen in einem Abschnitt
   | `${PermissionSection}.*` // für alle Berechtigungen in einem Abschnitt
+  | `additional.${string}.${string}` // additional
   | "*"; // für Admin
 
 export type PermissionObject = {
@@ -38,10 +39,20 @@ export type PermissionObject = {
   } & { all?: Array<PermissionType> | "*" };
 } & {
   admin?: boolean;
+  adminByOwner?: boolean;
+} & {
+  additional?: { [key: string]: string };
 };
 
 export type SectionsAndModulesObject = {
   [section in PermissionSection]: Array<PermissionModule>;
+} & {
+  additional?: Array<{
+    key: string;
+    name: string;
+    type: "number" | "string";
+    emptyIfAdmin: boolean;
+  }>;
 };
 
 export const permissionSections: Array<PermissionSection> = ["club", "configuration", "management"];
@@ -85,4 +96,5 @@ export const sectionsAndModules: SectionsAndModulesObject = {
     "newsletter_config",
   ],
   management: ["user", "role", "webapi", "backup"],
+  additional: [],
 };