diff --git a/src/models/creation/CreateAuth.ts b/src/models/creation/CreateAuth.ts
new file mode 100644
index 0000000..7f20dbe
--- /dev/null
+++ b/src/models/creation/CreateAuth.ts
@@ -0,0 +1,36 @@
+import { IsEmail, IsOptional, IsString } from 'class-validator';
+import { PasswordNeededError } from '../../errors/AuthError';
+import { UsernameOrEmailNeededError } from '../../errors/UserErrors';
+import { Auth } from '../entities/Auth';
+
+export class CreateAuth {
+    @IsOptional()
+    @IsString()
+    username?: string;
+    @IsString()
+    password: string;
+    @IsEmail()
+    @IsString()
+    email?: string;
+
+    public async toAuth(): Promise<Auth> {
+        let newAuth: Auth = new Auth();
+
+        if (this.email === undefined && this.username === undefined) {
+            throw new UsernameOrEmailNeededError();
+        }
+        if (!this.password) {
+            throw new PasswordNeededError()
+        }
+        // const found = await getConnectionManager().get().getRepository(UserGroup).find({ id: g });
+
+        // TODO: jwt creation + return
+        newAuth.access_token = ""
+        newAuth.refresh_token = ""
+        newAuth.access_token_expires_at = 1587349200
+        newAuth.refresh_token_expires_at = 1587349200
+
+        console.log(newAuth)
+        return newAuth;
+    }
+}
\ No newline at end of file