diff --git a/.vscode/launch.json b/.vscode/launch.json
index ec5331d..94770e3 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -19,4 +19,4 @@
       "console": "integratedTerminal"
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/src/modules/auth/auth.controller.ts b/src/modules/auth/auth.controller.ts
index e664c96..41462f3 100644
--- a/src/modules/auth/auth.controller.ts
+++ b/src/modules/auth/auth.controller.ts
@@ -21,9 +21,12 @@ import {
   AuthVerifyTotpMfaRequest,
 } from '@dadosfera/protospack-v2/dist/lib/Duc/interfaces/messages';
 
+import { PERMISSIONS } from 'src/authentication/permissions.enum';
+import { RequireAllPermissions } from 'src/authentication/authentication.decorator';
 import { AuthClientService } from './auth.service';
 import { DadosferaLogger } from '@dadosfera/dadosfera-logs';
 import { GrpcToHttpExceptionFilter } from '../../error/grpc-to-http-exception.filter';
+import { RequestUser, User } from 'src/authentication/user.decorator';
 
 @ApiTags('Auth')
 @UseFilters(new GrpcToHttpExceptionFilter())
@@ -39,6 +42,21 @@ export class AuthController {
     this.logger = dadosferaLogger.logger;
   }
 
+  @Post('/sso/snowflake')
+  @RequireAllPermissions(PERMISSIONS.SNOWFLAKE.permissions.OPEN)
+  @HttpCode(HttpStatus.OK)
+  async snowflakeSignIn(
+    @User() user: RequestUser,
+    @Body('RelayState') relayState: string,
+  ) {
+    this.logger.info('/auth - snowflakeSignIn');
+
+    return this.authClient.snowflakeSignIn({
+      userId: user.user_id,
+      relayState,
+    });
+  }
+
   @Post('sign-in')
   @HttpCode(HttpStatus.OK)
   async signIn(@Body() { username, password, totp }: AuthSignInRequest) {
diff --git a/src/modules/auth/auth.service.ts b/src/modules/auth/auth.service.ts
index 3dfcec7..9723401 100644
--- a/src/modules/auth/auth.service.ts
+++ b/src/modules/auth/auth.service.ts
@@ -6,6 +6,7 @@ import { lastValueFrom } from 'rxjs';
 import { ProtoServices } from '@dadosfera/protospack-v2/dist/lib/Duc';
 import { AuthProtoService as AuthServiceInterface } from '@dadosfera/protospack-v2/dist/lib/Duc/interfaces/write-service';
 import {
+  AuthSnowflakeSignInRequest,
   AuthSignInRequest,
   AuthRefreshAccessTokenRequest,
   AuthEnableTotpMfaRequest,
@@ -44,6 +45,12 @@ export class AuthClientService implements OnModuleInit {
     return lastValueFrom(this.authService.AuthGetPublicKeys({}));
   }
 
+  async snowflakeSignIn(input: AuthSnowflakeSignInRequest) {
+    this.logger.info('snowflakeSignIn');
+
+    return lastValueFrom(this.authService.AuthSnowflakeSignIn(input));
+  }
+
   async signIn({ username, password, totp }: AuthSignInRequest) {
     this.logger.info('SignIn');
 
diff --git a/src/modules/roles/dto/entities.ts b/src/modules/roles/dto/entities.ts
index 5652684..18b60a3 100644
--- a/src/modules/roles/dto/entities.ts
+++ b/src/modules/roles/dto/entities.ts
@@ -23,6 +23,8 @@ export class RoleDto {
   isPublic: boolean;
   @ApiProperty({ type: () => Customer })
   customer?: Customer;
+  @ApiProperty()
+  usage: string;
 }
 
 export class CustomerRole extends OmitType(RoleDto, ['customer']) {}
diff --git a/src/modules/roles/roles.service.ts b/src/modules/roles/roles.service.ts
index f3f3dcf..b2ecdad 100644
--- a/src/modules/roles/roles.service.ts
+++ b/src/modules/roles/roles.service.ts
@@ -29,6 +29,7 @@ interface GetRolesPermissionsName {
   isPublic?: boolean;
   createdAt: string;
   updatedAt: string;
+  usage: string;
 }
 @Injectable()
 export class RolesService {
diff --git a/src/modules/users/users.controller.ts b/src/modules/users/users.controller.ts
index 3177269..089febf 100644
--- a/src/modules/users/users.controller.ts
+++ b/src/modules/users/users.controller.ts
@@ -11,7 +11,7 @@ import {
   Patch,
   Post,
   Put,
-  Req,
+  Query,
   UseFilters,
 } from '@nestjs/common';
 import {
@@ -172,6 +172,18 @@ export class UsersController {
     return this.userService.resendInvite({ id });
   }
 
+  @Delete('role')
+  @RequireAllPermissions(PERMISSIONS.USERS.permissions.ADMIN)
+  async unassignRoleToUser(
+    @User() user: RequestUser,
+    @Query() request: UnassignRoleToUserReq,
+    @Headers('dadosfera-lang') language,
+  ) {
+    this.logger.info('unassignRoleToUser', { user });
+    this.userService.setLanguage(language);
+    return await this.userService.unassignRoleFromUser(request);
+  }
+
   @Delete(':id')
   @RequireAllPermissions(PERMISSIONS.USERS.permissions.ADMIN)
   @ApiOkResponse({ type: DeleteUserRes })
@@ -210,18 +222,6 @@ export class UsersController {
     return await this.userService.assignRoleToUser(body);
   }
 
-  @Delete('role')
-  @RequireAllPermissions(PERMISSIONS.USERS.permissions.ADMIN)
-  async unassignRoleToUser(
-    @User() user: RequestUser,
-    @Req() request: UnassignRoleToUserReq,
-    @Headers('dadosfera-lang') language,
-  ) {
-    this.logger.info('unassignRoleToUser', { user });
-    this.userService.setLanguage(language);
-    return await this.userService.unassignRoleToUser(request);
-  }
-
   @Patch(':id')
   @RequireAllPermissions(PERMISSIONS.USERS.permissions.ADMIN)
   @ApiOkResponse({ type: UpdateUserRes })
diff --git a/src/modules/users/users.service.ts b/src/modules/users/users.service.ts
index f42e152..466b231 100644
--- a/src/modules/users/users.service.ts
+++ b/src/modules/users/users.service.ts
@@ -162,7 +162,7 @@ export class UsersService implements OnModuleInit {
     return lastValueFrom(this.usersClientService.AssignRoleToUser(body));
   }
 
-  async unassignRoleToUser(body: UnassignRoleFromUserRequest) {
+  async unassignRoleFromUser(body: UnassignRoleFromUserRequest) {
     return lastValueFrom(this.usersClientService.UnassignRoleFromUser(body));
   }
 
diff --git a/src/utils/ErrorBuilder.ts b/src/utils/ErrorBuilder.ts
index 3180542..747d726 100644
--- a/src/utils/ErrorBuilder.ts
+++ b/src/utils/ErrorBuilder.ts
@@ -128,13 +128,46 @@ export function EnrichErrorCode(code: string) {
         code,
       };
 
-    case ErrorCodes.ROLE.ALREADY_EXIST:
+    case ErrorCodes.ROLE.ALREADY_EXISTS:
       return {
         statusCode: HttpStatus.BAD_REQUEST,
         error: 'Grupo já existe',
         message: 'Não é possível criar um grupo com esse nome',
         code,
       };
+
+    case ErrorCodes.ROLE.ALREADY_EXISTS_PUBLIC:
+      return {
+        statusCode: HttpStatus.BAD_REQUEST,
+        error: 'Grupo já existe',
+        message: 'Nome conflita com grupo público da Dadosfera',
+        code,
+      };
+
+    case ErrorCodes.ROLE.PERMISSION_ALREADY_GRANTED:
+      return {
+        statusCode: HttpStatus.BAD_REQUEST,
+        error: 'Permissão já inclusa',
+        message: 'Permissão já consta nesse grupo',
+        code,
+      };
+
+    case ErrorCodes.ROLE.PERMISSION_NOT_GRANTED:
+      return {
+        statusCode: HttpStatus.BAD_REQUEST,
+        error: 'Permissão não inclusa',
+        message: 'Permissão já consta nesse grupo',
+        code,
+      };
+
+    case ErrorCodes.ROLE.PRIVATE:
+      return {
+        statusCode: HttpStatus.FORBIDDEN,
+        error: 'Não é possivel fazer alterações',
+        message: 'Você não tem permissão para alterar esse grupo',
+        code,
+      };
+
     case ErrorCodes.ROLE.NOT_FOUND:
     case ErrorCodes.ROLE.FROM_ANOTHER_CUSTOMER:
       return {
@@ -143,6 +176,7 @@ export function EnrichErrorCode(code: string) {
         message: 'Grupo solicitado não encontrado',
         code: ErrorCodes.ROLE.NOT_FOUND,
       };
+
     case ErrorCodes.ROLE.CANNOT_EDIT_PUBLIC_ROLE:
       return {
         statusCode: HttpStatus.FORBIDDEN,
@@ -150,6 +184,7 @@ export function EnrichErrorCode(code: string) {
         message: 'Você não tem permissão para editar esse grupo',
         code,
       };
+
     case ErrorCodes.USER.NOT_FOUND:
       return {
         statusCode: HttpStatus.NOT_FOUND,
diff --git a/src/utils/errorCodes.ts b/src/utils/errorCodes.ts
index 3a7808d..8a44ae8 100644
--- a/src/utils/errorCodes.ts
+++ b/src/utils/errorCodes.ts
@@ -14,10 +14,15 @@ export const AUTH = {
   WEAK_NEW_PASSWORD: 'AUTH.WEAK_NEW_PASSWORD',
 };
 export const ROLE = {
-  ALREADY_EXIST: 'ROLE.ALREADY_EXISTS',
+  INVALID_ID: 'ROLE.INVALID_ID',
   NOT_FOUND: 'ROLE.NOT_FOUND',
+  ALREADY_EXISTS: 'ROLE.ALREADY_EXISTS',
+  ALREADY_EXISTS_PUBLIC: 'ROLE.ALREADY_EXISTS_PUBLIC',
+  PERMISSION_ALREADY_GRANTED: 'ROLE.PERMISSION_ALREADY_GRANTED',
+  PERMISSION_NOT_GRANTED: 'ROLE.PERMISSION_NOT_GRANTED',
   FROM_ANOTHER_CUSTOMER: 'ROLE.FROM_ANOTHER_CUSTOMER',
   CANNOT_EDIT_PUBLIC_ROLE: 'ROLE.CANNOT_EDIT_PUBLIC_ROLE',
+  PRIVATE: 'ROLE.PRIVATE',
 };
 
 export const USER = {