diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/PrivateForumContentMessageImpl.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/PrivateForumContentMessageImpl.kt
new file mode 100644
index 0000000000..84668bc749
--- /dev/null
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/PrivateForumContentMessageImpl.kt
@@ -0,0 +1,36 @@
+package dev.inmo.tgbotapi.types.message
+
+import korlibs.time.DateTime
+import dev.inmo.tgbotapi.types.*
+import dev.inmo.tgbotapi.types.buttons.InlineKeyboardMarkup
+import dev.inmo.tgbotapi.types.chat.*
+import dev.inmo.tgbotapi.types.chat.CommonBot
+import dev.inmo.tgbotapi.types.chat.User
+import dev.inmo.tgbotapi.types.message.ChatEvents.forum.ForumTopicCreated
+import dev.inmo.tgbotapi.types.message.abstracts.AccessibleMessage
+import dev.inmo.tgbotapi.types.message.abstracts.PrivateContentMessage
+import dev.inmo.tgbotapi.types.message.abstracts.PrivateForumContentMessage
+import dev.inmo.tgbotapi.types.message.content.MessageContent
+import kotlinx.serialization.SerialName
+
+data class PrivateForumContentMessageImpl<T: MessageContent>(
+    override val messageId: MessageId,
+    override val threadId: MessageThreadId,
+    override val threadCreatingInfo: ForumTopicCreated?,
+    override val from: User,
+    override val chat: PreviewPrivateChat,
+    override val content: T,
+    override val date: DateTime,
+    override val editDate: DateTime?,
+    override val hasProtectedContent: Boolean,
+    override val forwardOrigin: MessageOrigin?,
+    override val replyInfo: ReplyInfo?,
+    override val replyMarkup: InlineKeyboardMarkup?,
+    override val senderBot: CommonBot?,
+    override val mediaGroupId: MediaGroupId?,
+    override val fromOffline: Boolean,
+    override val effectId: EffectId?,
+    @SerialName(paidStarCountField)
+    override val cost: Int? = null
+) : PrivateForumContentMessage<T> {
+}
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/RawMessage.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/RawMessage.kt
index 0a0a4e4a9b..8abfd711fd 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/RawMessage.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/RawMessage.kt
@@ -748,23 +748,51 @@ internal data class RawMessage(
                         }
                     }
                     is PreviewPrivateChat -> if (business_connection_id == null) {
-                        PrivateContentMessageImpl(
-                            messageId = messageId,
-                            from = checkedFrom ?: from ?: error("Was detected common message, but owner (sender) of the message was not found"),
-                            chat = chat,
-                            content = content,
-                            date = date.asDate,
-                            editDate = edit_date?.asDate,
-                            hasProtectedContent = has_protected_content == true,
-                            forwardOrigin = forward_origin,
-                            replyInfo = replyInfo,
-                            replyMarkup = reply_markup,
-                            senderBot = via_bot,
-                            mediaGroupId = media_group_id,
-                            fromOffline = is_from_offline,
-                            effectId = effect_id,
-                            cost = paid_star_count,
-                        )
+                        when {
+                            is_topic_message == true -> {
+                                PrivateForumContentMessageImpl(
+                                    messageId = messageId,
+                                    from = checkedFrom ?: from
+                                    ?: error("Was detected common message, but owner (sender) of the message was not found"),
+                                    threadId = messageThreadId
+                                        ?: error("Was detected forum private message, but message thread id was not found"),
+                                    threadCreatingInfo = forum_topic_created,
+                                    chat = chat,
+                                    content = content,
+                                    date = date.asDate,
+                                    editDate = edit_date?.asDate,
+                                    hasProtectedContent = has_protected_content == true,
+                                    forwardOrigin = forward_origin,
+                                    replyInfo = replyInfo,
+                                    replyMarkup = reply_markup,
+                                    senderBot = via_bot,
+                                    mediaGroupId = media_group_id,
+                                    fromOffline = is_from_offline,
+                                    effectId = effect_id,
+                                    cost = paid_star_count,
+                                )
+                            }
+                            else -> {
+                                PrivateContentMessageImpl(
+                                    messageId = messageId,
+                                    from = checkedFrom ?: from
+                                    ?: error("Was detected common message, but owner (sender) of the message was not found"),
+                                    chat = chat,
+                                    content = content,
+                                    date = date.asDate,
+                                    editDate = edit_date?.asDate,
+                                    hasProtectedContent = has_protected_content == true,
+                                    forwardOrigin = forward_origin,
+                                    replyInfo = replyInfo,
+                                    replyMarkup = reply_markup,
+                                    senderBot = via_bot,
+                                    mediaGroupId = media_group_id,
+                                    fromOffline = is_from_offline,
+                                    effectId = effect_id,
+                                    cost = paid_star_count,
+                                )
+                            }
+                        }
                     } else {
                         BusinessContentMessageImpl(
                             messageId = messageId,
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/abstracts/PrivateForumContentMessage.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/abstracts/PrivateForumContentMessage.kt
new file mode 100644
index 0000000000..5c50de026b
--- /dev/null
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/abstracts/PrivateForumContentMessage.kt
@@ -0,0 +1,9 @@
+package dev.inmo.tgbotapi.types.message.abstracts
+
+import dev.inmo.tgbotapi.types.MessageThreadId
+import dev.inmo.tgbotapi.types.chat.PreviewPrivateChat
+import dev.inmo.tgbotapi.types.message.content.MessageContent
+
+interface PrivateForumContentMessage<T: MessageContent> : PrivateContentMessage<T>, PossiblyTopicMessage {
+    override val threadId: MessageThreadId
+}