gRPCExtensionsUnion namingCopy pageConfigure naming for oneof fields in SDKs: union_naming.proto1syntax = "proto3";23package userservice.v1;45message NotificationTarget {6 oneof target {7 option (x_fern_union_naming) = "discriminated";8 9 string user_id = 1 [(x_fern_parameter_name) = "userId"];10 string group_id = 2 [(x_fern_parameter_name) = "groupId"];11 BroadcastTarget broadcast = 3;12 }13}