diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index bce6357..54925a2 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@fin.cx/portablefinance',
-  version: '1.0.22',
+  version: '1.0.23',
   description: 'an interface package for the financeplus organization'
 }
diff --git a/ts/abstractclasses/csvparser.ts b/ts/abstractclasses/csvparser.ts
index 3f9d912..0aea94a 100644
--- a/ts/abstractclasses/csvparser.ts
+++ b/ts/abstractclasses/csvparser.ts
@@ -1,6 +1,8 @@
+import type { ICsvDescriptor } from '../interfaces/csvdescriptor.js';
 import { type IMonetaryTransaction } from '../interfaces/transaction.js';
 
 export abstract class AcCsvParser<TOriginalTrnasction> {
   public abstract paymentProviderName: string;
+  public abstract addCsvDecriptor(csvDescriptorArg: ICsvDescriptor): void;
   public abstract getTransactions(): Promise<IMonetaryTransaction[]>;
 }
diff --git a/ts/interfaces/csvdescriptor.ts b/ts/interfaces/csvdescriptor.ts
new file mode 100644
index 0000000..2884d2f
--- /dev/null
+++ b/ts/interfaces/csvdescriptor.ts
@@ -0,0 +1,4 @@
+export interface ICsvDescriptor {
+  name: string;
+  contentString: string;
+}
diff --git a/ts/interfaces/index.ts b/ts/interfaces/index.ts
index bb5e531..e9f9a75 100644
--- a/ts/interfaces/index.ts
+++ b/ts/interfaces/index.ts
@@ -1,3 +1,4 @@
+export * from './csvdescriptor.js';
 export * from './paymentaccount.js';
 export * from './transaction.js';
 export * from './voucher.js';