diff --git a/src/discord/objects.cpp b/src/discord/objects.cpp
index 1af32a7..0742dca 100644
--- a/src/discord/objects.cpp
+++ b/src/discord/objects.cpp
@@ -315,6 +315,8 @@ void to_json(nlohmann::json &j, const CreateMessageAttachmentObject &m) {
 void to_json(nlohmann::json &j, const CreateMessageObject &m) {
     j["content"] = m.Content;
     j["flags"] = m.Flags;
+    j["mobile_network_type"] = m.MobileNetworkType;
+    j["tts"] = m.IsTTS;
     JS_IF("attachments", m.Attachments);
     JS_IF("message_reference", m.MessageReference);
     JS_IF("nonce", m.Nonce);
diff --git a/src/discord/objects.hpp b/src/discord/objects.hpp
index fb5e117..7135f99 100644
--- a/src/discord/objects.hpp
+++ b/src/discord/objects.hpp
@@ -448,6 +448,8 @@ struct CreateMessageAttachmentObject {
 struct CreateMessageObject {
     std::string Content;
     MessageFlags Flags = MessageFlags::NONE;
+    bool IsTTS = false;
+    std::string MobileNetworkType = "unknown";
     std::optional<MessageReferenceData> MessageReference;
     std::optional<std::string> Nonce;
     std::optional<std::vector<CreateMessageAttachmentObject>> Attachments;