diff --git a/python/src/omotes_sdk_protocol/workflow_pb2.py b/python/src/omotes_sdk_protocol/workflow_pb2.py
index 268392f..d60a4a1 100644
--- a/python/src/omotes_sdk_protocol/workflow_pb2.py
+++ b/python/src/omotes_sdk_protocol/workflow_pb2.py
@@ -14,7 +14,7 @@
 
 
 
-DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\"omotes_sdk_protocol/workflow.proto\"4\n\nStringEnum\x12\x10\n\x08key_name\x18\x01 \x01(\t\x12\x14\n\x0c\x64isplay_name\x18\x02 \x01(\t\"V\n\x0fStringParameter\x12\x14\n\x07\x64\x65\x66\x61ult\x18\x01 \x01(\tH\x00\x88\x01\x01\x12!\n\x0c\x65num_options\x18\x02 \x03(\x0b\x32\x0b.StringEnumB\n\n\x08_default\"4\n\x10\x42ooleanParameter\x12\x14\n\x07\x64\x65\x66\x61ult\x18\x01 \x01(\x08H\x00\x88\x01\x01\x42\n\n\x08_default\"x\n\x10IntegerParameter\x12\x14\n\x07\x64\x65\x66\x61ult\x18\x01 \x01(\x03H\x00\x88\x01\x01\x12\x14\n\x07minimum\x18\x02 \x01(\x03H\x01\x88\x01\x01\x12\x14\n\x07maximum\x18\x03 \x01(\x03H\x02\x88\x01\x01\x42\n\n\x08_defaultB\n\n\x08_minimumB\n\n\x08_maximum\"v\n\x0e\x46loatParameter\x12\x14\n\x07\x64\x65\x66\x61ult\x18\x01 \x01(\x02H\x00\x88\x01\x01\x12\x14\n\x07minimum\x18\x02 \x01(\x02H\x01\x88\x01\x01\x12\x14\n\x07maximum\x18\x03 \x01(\x02H\x02\x88\x01\x01\x42\n\n\x08_defaultB\n\n\x08_minimumB\n\n\x08_maximum\"5\n\x11\x44\x61teTimeParameter\x12\x14\n\x07\x64\x65\x66\x61ult\x18\x01 \x01(\tH\x00\x88\x01\x01\x42\n\n\x08_default\"y\n\x11\x44urationParameter\x12\x14\n\x07\x64\x65\x66\x61ult\x18\x02 \x01(\x02H\x00\x88\x01\x01\x12\x14\n\x07minimum\x18\x03 \x01(\x02H\x01\x88\x01\x01\x12\x14\n\x07maximum\x18\x04 \x01(\x02H\x02\x88\x01\x01\x42\n\n\x08_defaultB\n\n\x08_minimumB\n\n\x08_maximum\"\x9d\x03\n\x11WorkflowParameter\x12\x10\n\x08key_name\x18\x01 \x01(\t\x12\x12\n\x05title\x18\x02 \x01(\tH\x01\x88\x01\x01\x12\x18\n\x0b\x64\x65scription\x18\x03 \x01(\tH\x02\x88\x01\x01\x12,\n\x10string_parameter\x18\x04 \x01(\x0b\x32\x10.StringParameterH\x00\x12.\n\x11\x62oolean_parameter\x18\x05 \x01(\x0b\x32\x11.BooleanParameterH\x00\x12.\n\x11integer_parameter\x18\x06 \x01(\x0b\x32\x11.IntegerParameterH\x00\x12*\n\x0f\x66loat_parameter\x18\x07 \x01(\x0b\x32\x0f.FloatParameterH\x00\x12\x30\n\x12\x64\x61tetime_parameter\x18\x08 \x01(\x0b\x32\x12.DateTimeParameterH\x00\x12\x30\n\x12\x64uration_parameter\x18\t \x01(\x0b\x32\x12.DurationParameterH\x00\x42\x10\n\x0eparameter_typeB\x08\n\x06_titleB\x0e\n\x0c_description\"_\n\x08Workflow\x12\x11\n\ttype_name\x18\x01 \x01(\t\x12\x18\n\x10type_description\x18\x02 \x01(\t\x12&\n\nparameters\x18\x03 \x03(\x0b\x32\x12.WorkflowParameter\"2\n\x12\x41vailableWorkflows\x12\x1c\n\tworkflows\x18\x01 \x03(\x0b\x32\t.Workflow\"\x1b\n\x19RequestAvailableWorkflowsb\x06proto3')
+DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\"omotes_sdk_protocol/workflow.proto\"4\n\nStringEnum\x12\x10\n\x08key_name\x18\x01 \x01(\t\x12\x14\n\x0c\x64isplay_name\x18\x02 \x01(\t\"V\n\x0fStringParameter\x12\x14\n\x07\x64\x65\x66\x61ult\x18\x01 \x01(\tH\x00\x88\x01\x01\x12!\n\x0c\x65num_options\x18\x02 \x03(\x0b\x32\x0b.StringEnumB\n\n\x08_default\"4\n\x10\x42ooleanParameter\x12\x14\n\x07\x64\x65\x66\x61ult\x18\x01 \x01(\x08H\x00\x88\x01\x01\x42\n\n\x08_default\"x\n\x10IntegerParameter\x12\x14\n\x07\x64\x65\x66\x61ult\x18\x01 \x01(\x03H\x00\x88\x01\x01\x12\x14\n\x07minimum\x18\x02 \x01(\x03H\x01\x88\x01\x01\x12\x14\n\x07maximum\x18\x03 \x01(\x03H\x02\x88\x01\x01\x42\n\n\x08_defaultB\n\n\x08_minimumB\n\n\x08_maximum\"v\n\x0e\x46loatParameter\x12\x14\n\x07\x64\x65\x66\x61ult\x18\x01 \x01(\x02H\x00\x88\x01\x01\x12\x14\n\x07minimum\x18\x02 \x01(\x02H\x01\x88\x01\x01\x12\x14\n\x07maximum\x18\x03 \x01(\x02H\x02\x88\x01\x01\x42\n\n\x08_defaultB\n\n\x08_minimumB\n\n\x08_maximum\"5\n\x11\x44\x61teTimeParameter\x12\x14\n\x07\x64\x65\x66\x61ult\x18\x01 \x01(\tH\x00\x88\x01\x01\x42\n\n\x08_default\"y\n\x11\x44urationParameter\x12\x14\n\x07\x64\x65\x66\x61ult\x18\x02 \x01(\x02H\x00\x88\x01\x01\x12\x14\n\x07minimum\x18\x03 \x01(\x02H\x01\x88\x01\x01\x12\x14\n\x07maximum\x18\x04 \x01(\x02H\x02\x88\x01\x01\x42\n\n\x08_defaultB\n\n\x08_minimumB\n\n\x08_maximum\"\x9d\x03\n\x11WorkflowParameter\x12\x10\n\x08key_name\x18\x01 \x01(\t\x12\x12\n\x05title\x18\x02 \x01(\tH\x01\x88\x01\x01\x12\x18\n\x0b\x64\x65scription\x18\x03 \x01(\tH\x02\x88\x01\x01\x12,\n\x10string_parameter\x18\x04 \x01(\x0b\x32\x10.StringParameterH\x00\x12.\n\x11\x62oolean_parameter\x18\x05 \x01(\x0b\x32\x11.BooleanParameterH\x00\x12.\n\x11integer_parameter\x18\x06 \x01(\x0b\x32\x11.IntegerParameterH\x00\x12*\n\x0f\x66loat_parameter\x18\x07 \x01(\x0b\x32\x0f.FloatParameterH\x00\x12\x30\n\x12\x64\x61tetime_parameter\x18\x08 \x01(\x0b\x32\x12.DateTimeParameterH\x00\x12\x30\n\x12\x64uration_parameter\x18\t \x01(\x0b\x32\x12.DurationParameterH\x00\x42\x10\n\x0eparameter_typeB\x08\n\x06_titleB\x0e\n\x0c_description\"\xbc\x01\n\x11ParameterRelation\x12\r\n\x05key_1\x18\x01 \x01(\t\x12\r\n\x05key_2\x18\x02 \x01(\t\x12\x31\n\x08relation\x18\x03 \x01(\x0e\x32\x1f.ParameterRelation.RelationType\"V\n\x0cRelationType\x12\x0b\n\x07GREATER\x10\x00\x12\x11\n\rGREATER_OR_EQ\x10\x01\x12\x0b\n\x07SMALLER\x10\x02\x12\x11\n\rSMALLER_OR_EQ\x10\x03\x12\x06\n\x02\x45Q\x10\x04\"\x86\x01\n\x08Workflow\x12\x11\n\ttype_name\x18\x01 \x01(\t\x12\x18\n\x10type_description\x18\x02 \x01(\t\x12&\n\nparameters\x18\x03 \x03(\x0b\x32\x12.WorkflowParameter\x12%\n\trelations\x18\x04 \x03(\x0b\x32\x12.ParameterRelation\"2\n\x12\x41vailableWorkflows\x12\x1c\n\tworkflows\x18\x01 \x03(\x0b\x32\t.Workflow\"\x1b\n\x19RequestAvailableWorkflowsb\x06proto3')
 
 _globals = globals()
 _builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, _globals)
@@ -37,10 +37,14 @@
   _globals['_DURATIONPARAMETER']._serialized_end=652
   _globals['_WORKFLOWPARAMETER']._serialized_start=655
   _globals['_WORKFLOWPARAMETER']._serialized_end=1068
-  _globals['_WORKFLOW']._serialized_start=1070
-  _globals['_WORKFLOW']._serialized_end=1165
-  _globals['_AVAILABLEWORKFLOWS']._serialized_start=1167
-  _globals['_AVAILABLEWORKFLOWS']._serialized_end=1217
-  _globals['_REQUESTAVAILABLEWORKFLOWS']._serialized_start=1219
-  _globals['_REQUESTAVAILABLEWORKFLOWS']._serialized_end=1246
+  _globals['_PARAMETERRELATION']._serialized_start=1071
+  _globals['_PARAMETERRELATION']._serialized_end=1259
+  _globals['_PARAMETERRELATION_RELATIONTYPE']._serialized_start=1173
+  _globals['_PARAMETERRELATION_RELATIONTYPE']._serialized_end=1259
+  _globals['_WORKFLOW']._serialized_start=1262
+  _globals['_WORKFLOW']._serialized_end=1396
+  _globals['_AVAILABLEWORKFLOWS']._serialized_start=1398
+  _globals['_AVAILABLEWORKFLOWS']._serialized_end=1448
+  _globals['_REQUESTAVAILABLEWORKFLOWS']._serialized_start=1450
+  _globals['_REQUESTAVAILABLEWORKFLOWS']._serialized_end=1477
 # @@protoc_insertion_point(module_scope)
diff --git a/python/src/omotes_sdk_protocol/workflow_pb2.pyi b/python/src/omotes_sdk_protocol/workflow_pb2.pyi
index 912694b..420e830 100644
--- a/python/src/omotes_sdk_protocol/workflow_pb2.pyi
+++ b/python/src/omotes_sdk_protocol/workflow_pb2.pyi
@@ -6,11 +6,12 @@ import builtins
 import collections.abc
 import google.protobuf.descriptor
 import google.protobuf.internal.containers
+import google.protobuf.internal.enum_type_wrapper
 import google.protobuf.message
 import sys
 import typing
 
-if sys.version_info >= (3, 8):
+if sys.version_info >= (3, 10):
     import typing as typing_extensions
 else:
     import typing_extensions
@@ -227,6 +228,46 @@ class WorkflowParameter(google.protobuf.message.Message):
 
 global___WorkflowParameter = WorkflowParameter
 
+@typing_extensions.final
+class ParameterRelation(google.protobuf.message.Message):
+    DESCRIPTOR: google.protobuf.descriptor.Descriptor
+
+    class _RelationType:
+        ValueType = typing.NewType("ValueType", builtins.int)
+        V: typing_extensions.TypeAlias = ValueType
+
+    class _RelationTypeEnumTypeWrapper(google.protobuf.internal.enum_type_wrapper._EnumTypeWrapper[ParameterRelation._RelationType.ValueType], builtins.type):
+        DESCRIPTOR: google.protobuf.descriptor.EnumDescriptor
+        GREATER: ParameterRelation._RelationType.ValueType  # 0
+        GREATER_OR_EQ: ParameterRelation._RelationType.ValueType  # 1
+        SMALLER: ParameterRelation._RelationType.ValueType  # 2
+        SMALLER_OR_EQ: ParameterRelation._RelationType.ValueType  # 3
+        EQ: ParameterRelation._RelationType.ValueType  # 4
+
+    class RelationType(_RelationType, metaclass=_RelationTypeEnumTypeWrapper): ...
+    GREATER: ParameterRelation.RelationType.ValueType  # 0
+    GREATER_OR_EQ: ParameterRelation.RelationType.ValueType  # 1
+    SMALLER: ParameterRelation.RelationType.ValueType  # 2
+    SMALLER_OR_EQ: ParameterRelation.RelationType.ValueType  # 3
+    EQ: ParameterRelation.RelationType.ValueType  # 4
+
+    KEY_1_FIELD_NUMBER: builtins.int
+    KEY_2_FIELD_NUMBER: builtins.int
+    RELATION_FIELD_NUMBER: builtins.int
+    key_1: builtins.str
+    key_2: builtins.str
+    relation: global___ParameterRelation.RelationType.ValueType
+    def __init__(
+        self,
+        *,
+        key_1: builtins.str = ...,
+        key_2: builtins.str = ...,
+        relation: global___ParameterRelation.RelationType.ValueType = ...,
+    ) -> None: ...
+    def ClearField(self, field_name: typing_extensions.Literal["key_1", b"key_1", "key_2", b"key_2", "relation", b"relation"]) -> None: ...
+
+global___ParameterRelation = ParameterRelation
+
 @typing_extensions.final
 class Workflow(google.protobuf.message.Message):
     DESCRIPTOR: google.protobuf.descriptor.Descriptor
@@ -234,18 +275,22 @@ class Workflow(google.protobuf.message.Message):
     TYPE_NAME_FIELD_NUMBER: builtins.int
     TYPE_DESCRIPTION_FIELD_NUMBER: builtins.int
     PARAMETERS_FIELD_NUMBER: builtins.int
+    RELATIONS_FIELD_NUMBER: builtins.int
     type_name: builtins.str
     type_description: builtins.str
     @property
     def parameters(self) -> google.protobuf.internal.containers.RepeatedCompositeFieldContainer[global___WorkflowParameter]: ...
+    @property
+    def relations(self) -> google.protobuf.internal.containers.RepeatedCompositeFieldContainer[global___ParameterRelation]: ...
     def __init__(
         self,
         *,
         type_name: builtins.str = ...,
         type_description: builtins.str = ...,
         parameters: collections.abc.Iterable[global___WorkflowParameter] | None = ...,
+        relations: collections.abc.Iterable[global___ParameterRelation] | None = ...,
     ) -> None: ...
-    def ClearField(self, field_name: typing_extensions.Literal["parameters", b"parameters", "type_description", b"type_description", "type_name", b"type_name"]) -> None: ...
+    def ClearField(self, field_name: typing_extensions.Literal["parameters", b"parameters", "relations", b"relations", "type_description", b"type_description", "type_name", b"type_name"]) -> None: ...
 
 global___Workflow = Workflow
 
diff --git a/src/omotes_sdk_protocol/workflow.proto b/src/omotes_sdk_protocol/workflow.proto
index 4bee8f3..a364a1d 100644
--- a/src/omotes_sdk_protocol/workflow.proto
+++ b/src/omotes_sdk_protocol/workflow.proto
@@ -51,10 +51,25 @@ message WorkflowParameter {
   }
 }
 
+message ParameterRelation {
+  string key_1 = 1;
+  string key_2 = 2;
+  RelationType relation = 3;
+
+  enum RelationType {
+    GREATER = 0;
+    GREATER_OR_EQ = 1;
+    SMALLER = 2;
+    SMALLER_OR_EQ = 3;
+    EQ = 4;
+  }
+}
+
 message Workflow {
   string type_name = 1;
   string type_description = 2;
   repeated WorkflowParameter parameters = 3;
+  repeated ParameterRelation relations = 4;
 }
 
 message AvailableWorkflows {