box · congminh1254 · Dec 16, 2025 · Dec 10, 2025 · Dec 11, 2025 · Dec 12, 2025
diff --git a/box_sdk_gen/schemas/sign_request_signer_input_custom_validation.py b/box_sdk_gen/schemas/sign_request_signer_input_custom_validation.py
@@ -1,5 +1,7 @@
 from enum import Enum

+from typing import Optional
+
 from box_sdk_gen.internal.base_object import BaseObject

 from box_sdk_gen.box.errors import BoxSDKError
@@ -12,22 +14,22 @@ class SignRequestSignerInputCustomValidationValidationTypeField(str, Enum):
 class SignRequestSignerInputCustomValidation(BaseObject):
    def __init__(
        self,
-        custom_regex: str,
-        custom_error_message: str,
        *,
        validation_type: SignRequestSignerInputCustomValidationValidationTypeField = SignRequestSignerInputCustomValidationValidationTypeField.CUSTOM,
+        custom_regex: Optional[str] = None,
+        custom_error_message: Optional[str] = None,
        **kwargs
    ):
        """
-                :param custom_regex: Regular expression used for validation.
-                :type custom_regex: str
-                :param custom_error_message: Error message shown if input fails custom regular expression validation.
-                :type custom_error_message: str
                :param validation_type: Defines the validation format for the text input as custom.
        A custom regular expression is used for validation., defaults to SignRequestSignerInputCustomValidationValidationTypeField.CUSTOM
                :type validation_type: SignRequestSignerInputCustomValidationValidationTypeField, optional
+                :param custom_regex: Regular expression used for validation., defaults to None
+                :type custom_regex: Optional[str], optional
+                :param custom_error_message: Error message shown if input fails custom regular expression validation., defaults to None
+                :type custom_error_message: Optional[str], optional
        """
        super().__init__(**kwargs)
+        self.validation_type = validation_type
        self.custom_regex = custom_regex
        self.custom_error_message = custom_error_message
-        self.validation_type = validation_type