diff --git a/derapi/models/enphase_join_config.py b/derapi/models/enphase_join_config.py
index a7f44bf..57b7a9e 100644
--- a/derapi/models/enphase_join_config.py
+++ b/derapi/models/enphase_join_config.py
@@ -14,12 +14,12 @@
 class EnphaseJoinConfig:
     """
     Attributes:
-        vendor (Literal['enphase']):
+        vendor (Literal['enphase']):  Default: 'enphase'.
         credentials (Union['EnphaseJoinConfigInlineCredentials', 'StoredCredentialsReference']):
     """
 
-    vendor: Literal["enphase"]
     credentials: Union["EnphaseJoinConfigInlineCredentials", "StoredCredentialsReference"]
+    vendor: Literal["enphase"] = "enphase"
 
     def to_dict(self) -> Dict[str, Any]:
         from ..models.enphase_join_config_inline_credentials import EnphaseJoinConfigInlineCredentials
diff --git a/derapi/models/enphase_vpp_join_config.py b/derapi/models/enphase_vpp_join_config.py
index f798830..b57d251 100644
--- a/derapi/models/enphase_vpp_join_config.py
+++ b/derapi/models/enphase_vpp_join_config.py
@@ -15,16 +15,16 @@
 class EnphaseVPPJoinConfig:
     """
     Attributes:
-        vendor (Literal['enphasevpp']):
+        vendor (Literal['enphasevpp']):  Default: 'enphasevpp'.
         credentials (Union['EnphaseVPPJoinConfigInlineCredentials', 'StoredCredentialsReference']):
         partner_app_credentials (Union['EnphaseJoinConfigInlineCredentials', 'StoredCredentialsReference']):
         program_id (str):
     """
 
-    vendor: Literal["enphasevpp"]
     credentials: Union["EnphaseVPPJoinConfigInlineCredentials", "StoredCredentialsReference"]
     partner_app_credentials: Union["EnphaseJoinConfigInlineCredentials", "StoredCredentialsReference"]
     program_id: str
+    vendor: Literal["enphasevpp"] = "enphasevpp"
 
     def to_dict(self) -> Dict[str, Any]:
         from ..models.enphase_join_config_inline_credentials import EnphaseJoinConfigInlineCredentials
diff --git a/derapi/models/sma_join_config.py b/derapi/models/sma_join_config.py
index d57c63f..e16e6ef 100644
--- a/derapi/models/sma_join_config.py
+++ b/derapi/models/sma_join_config.py
@@ -14,12 +14,12 @@
 class SMAJoinConfig:
     """
     Attributes:
-        vendor (Literal['sma']):
+        vendor (Literal['sma']):  Default: 'sma'.
         credentials (Union['SMAJoinConfigInlineCredentials', 'StoredCredentialsReference']):
     """
 
-    vendor: Literal["sma"]
     credentials: Union["SMAJoinConfigInlineCredentials", "StoredCredentialsReference"]
+    vendor: Literal["sma"] = "sma"
 
     def to_dict(self) -> Dict[str, Any]:
         from ..models.sma_join_config_inline_credentials import SMAJoinConfigInlineCredentials
diff --git a/derapi/models/sma_sandbox_join_config.py b/derapi/models/sma_sandbox_join_config.py
index ad0e7a1..2a4b927 100644
--- a/derapi/models/sma_sandbox_join_config.py
+++ b/derapi/models/sma_sandbox_join_config.py
@@ -14,12 +14,12 @@
 class SMASandboxJoinConfig:
     """
     Attributes:
-        vendor (Literal['smasbox']):
+        vendor (Literal['smasbox']):  Default: 'smasbox'.
         credentials (Union['SMASandboxJoinConfigInlineCredentials', 'StoredCredentialsReference']):
     """
 
-    vendor: Literal["smasbox"]
     credentials: Union["SMASandboxJoinConfigInlineCredentials", "StoredCredentialsReference"]
+    vendor: Literal["smasbox"] = "smasbox"
 
     def to_dict(self) -> Dict[str, Any]:
         from ..models.sma_sandbox_join_config_inline_credentials import SMASandboxJoinConfigInlineCredentials
diff --git a/derapi/models/solaredge_join_config.py b/derapi/models/solaredge_join_config.py
index ff84c5a..676c974 100644
--- a/derapi/models/solaredge_join_config.py
+++ b/derapi/models/solaredge_join_config.py
@@ -9,10 +9,10 @@
 class SolaredgeJoinConfig:
     """
     Attributes:
-        vendor (Literal['solaredge']):
+        vendor (Literal['solaredge']):  Default: 'solaredge'.
     """
 
-    vendor: Literal["solaredge"]
+    vendor: Literal["solaredge"] = "solaredge"
 
     def to_dict(self) -> Dict[str, Any]:
         vendor = self.vendor
diff --git a/derapi/models/solis_join_config.py b/derapi/models/solis_join_config.py
index 9212f0e..82e7ad6 100644
--- a/derapi/models/solis_join_config.py
+++ b/derapi/models/solis_join_config.py
@@ -9,10 +9,10 @@
 class SolisJoinConfig:
     """
     Attributes:
-        vendor (Literal['solis']):
+        vendor (Literal['solis']):  Default: 'solis'.
     """
 
-    vendor: Literal["solis"]
+    vendor: Literal["solis"] = "solis"
 
     def to_dict(self) -> Dict[str, Any]:
         vendor = self.vendor
diff --git a/derapi/models/tesla_join_config.py b/derapi/models/tesla_join_config.py
index 011b7c6..f82508c 100644
--- a/derapi/models/tesla_join_config.py
+++ b/derapi/models/tesla_join_config.py
@@ -14,12 +14,12 @@
 class TeslaJoinConfig:
     """
     Attributes:
-        vendor (Literal['tesla']):
+        vendor (Literal['tesla']):  Default: 'tesla'.
         credentials (Union['StoredCredentialsReference', 'TelsaJoinConfigInlineCredentials']):
     """
 
-    vendor: Literal["tesla"]
     credentials: Union["StoredCredentialsReference", "TelsaJoinConfigInlineCredentials"]
+    vendor: Literal["tesla"] = "tesla"
 
     def to_dict(self) -> Dict[str, Any]:
         from ..models.telsa_join_config_inline_credentials import TelsaJoinConfigInlineCredentials