diff --git a/cuenca_validations/types/enums.py b/cuenca_validations/types/enums.py
index 6d36a4c1..d29f096b 100644
--- a/cuenca_validations/types/enums.py
+++ b/cuenca_validations/types/enums.py
@@ -588,6 +588,7 @@ class SessionType(str, Enum):
     account_entries = 'session.account_entries'
     download_file = 'session.download_file'
     upload_file = 'session.upload_file'
+    onboarding_verification = 'session.onboarding_verification'
 
 
 class WebhookObject(str, Enum):
diff --git a/cuenca_validations/types/requests.py b/cuenca_validations/types/requests.py
index f74216b3..f67b9024 100644
--- a/cuenca_validations/types/requests.py
+++ b/cuenca_validations/types/requests.py
@@ -547,6 +547,16 @@ class SessionRequest(BaseRequest):
     type: SessionType
     success_url: Optional[SerializableAnyUrl] = None
     failure_url: Optional[SerializableAnyUrl] = None
+    resource_id: Optional[str] = None
+
+    @model_validator(mode='before')
+    @classmethod
+    def validate_metadata(cls, values: dict) -> dict:
+        type, resource_id = values['type'], values.get('resource_id')
+        if type == SessionType.onboarding_verification and not resource_id:
+            raise ValueError('Resource id expected for this session')
+        return values
+
     model_config = ConfigDict(
         json_schema_extra={
             'example': {
@@ -554,6 +564,7 @@ class SessionRequest(BaseRequest):
                 'type': 'session.registration',
                 'success_url': 'http://example_success.com',
                 'failure_url': 'http://example_failure.com',
+                'resource_id': 'some_resource_id',
             }
         }
     )
diff --git a/cuenca_validations/version.py b/cuenca_validations/version.py
index 1db5030e..96f86229 100644
--- a/cuenca_validations/version.py
+++ b/cuenca_validations/version.py
@@ -1 +1 @@
-__version__ = '2.1.16'
+__version__ = '2.1.17'
diff --git a/tests/test_requests.py b/tests/test_requests.py
index 95446313..447198d4 100644
--- a/tests/test_requests.py
+++ b/tests/test_requests.py
@@ -1,7 +1,11 @@
 import pytest
 from pydantic import ValidationError
 
-from cuenca_validations.types.requests import UserTOSAgreementRequest
+from cuenca_validations.types.enums import SessionType
+from cuenca_validations.types.requests import (
+    SessionRequest,
+    UserTOSAgreementRequest,
+)
 from cuenca_validations.typing import DictStrAny
 
 
@@ -29,3 +33,38 @@ def test_file_cuenca_url_invalid() -> None:
     )
     with pytest.raises(ValidationError):
         UserTOSAgreementRequest(**request_data)
+
+
+def test_session_request_without_metadata():
+    request_data = {
+        'user_id': 'USWqY5cvkISJOxHyEKjAKf8w',
+        'type': 'session.curp_validation',
+    }
+    request = SessionRequest(**request_data)
+    assert request.type == SessionType.curp_validation
+    assert request.user_id == 'USWqY5cvkISJOxHyEKjAKf8w'
+
+
+def test_session_request_with_resource_id():
+    request_data = {
+        'user_id': 'USWqY5cvkISJOxHyEKjAKf8w',
+        'type': 'session.onboarding_verification',
+        'resource_id': 'some_verification_id',
+    }
+    request = SessionRequest(**request_data)
+    assert request.type == SessionType.onboarding_verification
+    assert request.user_id == 'USWqY5cvkISJOxHyEKjAKf8w'
+    assert request.resource_id
+    assert request.resource_id == 'some_verification_id'
+
+
+def test_metamap_session_request_without_metadata():
+    request_data = {
+        'user_id': 'USWqY5cvkISJOxHyEKjAKf8w',
+        'type': 'session.onboarding_verification',
+    }
+
+    with pytest.raises(ValidationError) as exception:
+        SessionRequest(**request_data)
+
+    assert 'Resource id expected for this session' in str(exception)