diff --git a/src/components/Form/src/components/ApiCheckboxGroup.vue b/src/components/Form/src/components/ApiCheckboxGroup.vue
index 79e3736..d2719ed 100644
--- a/src/components/Form/src/components/ApiCheckboxGroup.vue
+++ b/src/components/Form/src/components/ApiCheckboxGroup.vue
@@ -192,7 +192,7 @@
             }
 
             function displayText() {
-                const _checked = checked.value;;
+                const _checked = checked.value || [];
                 const labelArr = [];
                 (getOptions.value || []).forEach((opt) => {
                     if (_checked.includes(opt.value)) {
diff --git a/src/components/SimpleForm/src/SimpleForm.vue b/src/components/SimpleForm/src/SimpleForm.vue
index 93fb6a7..bf80e18 100644
--- a/src/components/SimpleForm/src/SimpleForm.vue
+++ b/src/components/SimpleForm/src/SimpleForm.vue
@@ -438,9 +438,14 @@
                 if (schema.componentProps?.['events']) {
                     for (const eventKey in schema.componentProps['events']) {
                         if (eventKey !== 'change') return;
+                        const handler = schema.componentProps['events'][eventKey];
                         try {
-                            const event = new Function('schema', 'formModel', 'formActionType', 'extParams', `${schema.componentProps['events'][eventKey]}`);
-                            event(schema, formModel, formApi, { formData });
+                            if (typeof handler === 'string') {
+                                const event = new Function('schema', 'formModel', 'formActionType', 'extParams', handler);
+                                event(schema, formModel, formApi, { formData, allSchemas });
+                            } else if (typeof handler === 'function') {
+                                handler(schema, formModel, formApi, { formData, allSchemas });
+                            }
                         } catch (error) {
                             console.log('error', error);
                             notification.error({
diff --git a/src/components/SimpleForm/src/SimpleFormSetup.vue b/src/components/SimpleForm/src/SimpleFormSetup.vue
index 073346d..62e00ee 100644
--- a/src/components/SimpleForm/src/SimpleFormSetup.vue
+++ b/src/components/SimpleForm/src/SimpleFormSetup.vue
@@ -438,9 +438,14 @@
                         if (schema.componentProps?.['events']) {
                             for (const eventKey in schema.componentProps['events']) {
                                 if (eventKey !== 'change') return;
+                                const handler = schema.componentProps['events'][eventKey];
                                 try {
-                                    const event = new Function('schema', 'formModel', 'formActionType', 'extParams', `${schema.componentProps['events'][eventKey]}`);
-                                    event(schema, formModel, formApi, { formData });
+                                    if (typeof handler === 'string') {
+                                        const event = new Function('schema', 'formModel', 'formActionType', 'extParams', handler);
+                                        event(schema, formModel, formApi, { formData, allSchemas });
+                                    } else if (typeof handler === 'function') {
+                                        handler(schema, formModel, formApi, { formData, allSchemas });
+                                    }
                                 } catch (error) {
                                     console.log('error', error);
                                     notification.error({
diff --git a/src/components/SimpleForm/src/components/SimpleFormItem.vue b/src/components/SimpleForm/src/components/SimpleFormItem.vue
index 4aba3d0..0c9922f 100644
--- a/src/components/SimpleForm/src/components/SimpleFormItem.vue
+++ b/src/components/SimpleForm/src/components/SimpleFormItem.vue
@@ -275,6 +275,7 @@
                 }) ?? {};
         } else {
             if (componentProps['events']) {
+                const allSchemas = formProps.value.schemas;
                 for (const eventKey in componentProps['events']) {
                     try {
                         const fun = componentProps['events'][eventKey];
@@ -290,7 +291,7 @@
                                 let field = camelCaseString(item);
                                 if (field) cloneFormModel[field] = cloneFormModel[item];
                             }
-                            event(props.schema, isCamelCase ? cloneFormModel : formModel, props.formApi, { value, selectedOptions });
+                            event(props.schema, isCamelCase ? cloneFormModel : formModel, props.formApi, {formData, value, selectedOptions, allSchemas: allSchemas});
 
                             if (isCamelCase) {
                                 for (let item in formModel) {