public async Task <IEnumerable <PropertyType> > GetStandardProperties([FromBody] ISet <int> standardArtifactTypeIds) { await _privilegesManager.Demand(Session.UserId, InstanceAdminPrivileges.AccessAllProjectData); if (standardArtifactTypeIds == null) { throw new BadRequestException(ErrorMessages.ModelIsEmpty); } return(await _artifactRepository.GetStandardProperties(standardArtifactTypeIds)); }