diff --git a/webapp/packages/core-ui/src/Form/FormBaseService.ts b/webapp/packages/core-ui/src/Form/FormBaseService.ts
index 6ee77040d9..783aa4898b 100644
--- a/webapp/packages/core-ui/src/Form/FormBaseService.ts
+++ b/webapp/packages/core-ui/src/Form/FormBaseService.ts
@@ -23,6 +23,7 @@ export class FormBaseService<TState, TProps extends IFormProps<TState> = IFormPr
   readonly onConfigure: IExecutorHandlersCollection<IFormState<TState>>;
   readonly onFillDefaultConfig: IExecutorHandlersCollection<IFormState<TState>>;
   readonly onPrepareConfig: IExecutorHandlersCollection<TState>;
+  readonly onFormat: IExecutorHandlersCollection<IFormState<TState>>;
   readonly onValidate: IExecutorHandlersCollection<IFormState<TState>>;
   readonly onSubmit: IExecutorHandlersCollection<IFormState<TState>>;
   readonly onState: IExecutorHandlersCollection<TState>;
@@ -33,6 +34,7 @@ export class FormBaseService<TState, TProps extends IFormProps<TState> = IFormPr
     this.onConfigure = new ExecutorHandlersCollection();
     this.onFillDefaultConfig = new ExecutorHandlersCollection();
     this.onPrepareConfig = new ExecutorHandlersCollection();
+    this.onFormat = new ExecutorHandlersCollection();
     this.onValidate = new ExecutorHandlersCollection();
     this.onSubmit = new ExecutorHandlersCollection();
     this.onState = new ExecutorHandlersCollection();
diff --git a/webapp/packages/core-ui/src/Form/FormPart.ts b/webapp/packages/core-ui/src/Form/FormPart.ts
index b57ccee1a1..b6ce21dd99 100644
--- a/webapp/packages/core-ui/src/Form/FormPart.ts
+++ b/webapp/packages/core-ui/src/Form/FormPart.ts
@@ -35,6 +35,7 @@ export abstract class FormPart<TPartState, TFormState = any> implements IFormPar
 
     this.formState.submitTask.addHandler(executorHandlerFilter(() => this.isLoaded(), this.save.bind(this)));
     this.formState.configureTask.addHandler(executorHandlerFilter(() => this.isLoaded(), this.configure.bind(this)));
+    this.formState.formatTask.addHandler(executorHandlerFilter(() => this.isLoaded(), this.format.bind(this)));
     this.formState.validationTask.addHandler(executorHandlerFilter(() => this.isLoaded(), this.validate.bind(this)));
 
     makeObservable<this, 'loaded' | 'loading' | 'setInitialState'>(this, {
@@ -141,6 +142,7 @@ export abstract class FormPart<TPartState, TFormState = any> implements IFormPar
   }
 
   protected configure(data: IFormState<TFormState>, contexts: IExecutionContextProvider<IFormState<TFormState>>): void | Promise<void> {}
+  protected format(data: IFormState<TFormState>, contexts: IExecutionContextProvider<IFormState<TFormState>>): void | Promise<void> {}
   protected validate(data: IFormState<TFormState>, contexts: IExecutionContextProvider<IFormState<TFormState>>): void | Promise<void> {}
 
   protected abstract loader(): Promise<void>;
diff --git a/webapp/packages/core-ui/src/Form/FormState.ts b/webapp/packages/core-ui/src/Form/FormState.ts
index 800a52e727..41541615ab 100644
--- a/webapp/packages/core-ui/src/Form/FormState.ts
+++ b/webapp/packages/core-ui/src/Form/FormState.ts
@@ -40,6 +40,7 @@ export class FormState<TState> implements IFormState<TState> {
   readonly formStateTask: IExecutor<TState>;
   readonly fillDefaultConfigTask: IExecutor<IFormState<TState>>;
   readonly submitTask: IExecutor<IFormState<TState>>;
+  readonly formatTask: IExecutor<IFormState<TState>>;
   readonly validationTask: IExecutor<IFormState<TState>>;
 
   constructor(app: App, service: FormBaseService<TState, any>, state: TState) {
@@ -67,8 +68,11 @@ export class FormState<TState> implements IFormState<TState> {
     this.fillDefaultConfigTask = new Executor(this as IFormState<TState>, () => true);
     this.fillDefaultConfigTask.addCollection(service.onFillDefaultConfig).next(this.formStateTask, form => form.state);
 
+    this.formatTask = new Executor(this as IFormState<TState>, () => true);
+    this.formatTask.addCollection(service.onFormat);
+
     this.validationTask = new Executor(this as IFormState<TState>, () => true);
-    this.validationTask.addCollection(service.onValidate);
+    this.validationTask.addCollection(service.onValidate).before(this.formatTask);
 
     this.submitTask = new Executor(this as IFormState<TState>, () => true);
     this.submitTask.addCollection(service.onSubmit).before(this.validationTask);
diff --git a/webapp/packages/core-ui/src/Form/IFormState.ts b/webapp/packages/core-ui/src/Form/IFormState.ts
index 2afc2b1d96..148c953081 100644
--- a/webapp/packages/core-ui/src/Form/IFormState.ts
+++ b/webapp/packages/core-ui/src/Form/IFormState.ts
@@ -33,6 +33,7 @@ export interface IFormState<TState> extends ILoadableState {
   readonly formStateTask: IExecutor<TState>;
   readonly fillDefaultConfigTask: IExecutor<IFormState<TState>>;
   readonly submitTask: IExecutor<IFormState<TState>>;
+  readonly formatTask: IExecutor<IFormState<TState>>;
   readonly validationTask: IExecutor<IFormState<TState>>;
 
   setMode(mode: FormMode): this;