diff --git a/markup.go b/markup.go
index 815b68d..ee4f8c6 100644
--- a/markup.go
+++ b/markup.go
@@ -207,10 +207,12 @@ func (r *ReplyMarkup) WebApp(text string, app *WebApp) Btn {
 type ReplyButton struct {
 	Text string `json:"text"`
 
-	Contact  bool     `json:"request_contact,omitempty"`
-	Location bool     `json:"request_location,omitempty"`
-	Poll     PollType `json:"request_poll,omitempty"`
-	WebApp   *WebApp  `json:"web_app,omitempty"`
+	Contact  bool            `json:"request_contact,omitempty"`
+	Location bool            `json:"request_location,omitempty"`
+	Poll     PollType        `json:"request_poll,omitempty"`
+	User     *ReplyRecipient `json:"request_user,omitempty"`
+	Chat     *ReplyRecipient `json:"request_chat,omitempty"`
+	WebApp   *WebApp         `json:"web_app,omitempty"`
 }
 
 // MarshalJSON implements json.Marshaler. It allows passing PollType as a
@@ -223,6 +225,34 @@ func (pt PollType) MarshalJSON() ([]byte, error) {
 	})
 }
 
+// ReplyRecipient combines both KeyboardButtonRequestUser
+// and KeyboardButtonRequestChat objects. Use inside ReplyButton
+// to request the user or chat sharing with respective settings.
+//
+// To pass the pointers to bool use a special tele.Flag function,
+// that way you will be able to reflect the three-state bool (nil, false, true).
+type ReplyRecipient struct {
+	ID int32 `json:"request_id"`
+
+	Bot     *bool `json:"user_is_bot,omitempty"`     // user only, optional
+	Premium *bool `json:"user_is_premium,omitempty"` // user only, optional
+
+	Channel      bool    `json:"chat_is_channel,omitempty"`           // chat only, required
+	Forum        *bool   `json:"chat_is_forum,omitempty"`             // chat only, optional
+	WithUsername *bool   `json:"chat_has_username,omitempty"`         // chat only, optional
+	Created      *bool   `json:"chat_is_created,omitempty"`           // chat only, optional
+	UserRights   *Rights `json:"user_administrator_rights,omitempty"` // chat only, optional
+	BotRights    *Rights `json:"bot_administrator_rights,omitempty"`  // chat only, optional
+	BotMember    *bool   `json:"bot_is_member,omitempty"`             // chat only, optional
+}
+
+// RecipientShared combines both UserShared and ChatShared objects.
+type RecipientShared struct {
+	ID     int32 `json:"request_id"`
+	UserID int64 `json:"user_id"`
+	ChatID int64 `json:"chat_id"`
+}
+
 // InlineButton represents a button displayed in the message.
 type InlineButton struct {
 	// Unique slagish name for this kind of button,
diff --git a/message.go b/message.go
index 8cc1d65..2dec089 100644
--- a/message.go
+++ b/message.go
@@ -229,6 +229,12 @@ type Message struct {
 	// Message is a service message about a successful payment.
 	Payment *Payment `json:"successful_payment"`
 
+	// For a service message, a user was shared with the bot.
+	UserShared *RecipientShared `json:"user_shared,omitempty"`
+
+	// For a service message, a chat was shared with the bot.
+	ChatShared *RecipientShared `json:"chat_shared,omitempty"`
+
 	// The domain name of the website on which the user has logged in.
 	ConnectedWebsite string `json:"connected_website,omitempty"`
 
diff --git a/telebot.go b/telebot.go
index a513f81..b8271e9 100644
--- a/telebot.go
+++ b/telebot.go
@@ -77,6 +77,8 @@ const (
 	OnAddedToGroup      = "\aadded_to_group"
 	OnUserJoined        = "\auser_joined"
 	OnUserLeft          = "\auser_left"
+	OnUserShared        = "\auser_shared"
+	OnChatShared        = "\achat_shared"
 	OnNewGroupTitle     = "\anew_chat_title"
 	OnNewGroupPhoto     = "\anew_chat_photo"
 	OnGroupPhotoDeleted = "\achat_photo_deleted"
@@ -136,6 +138,13 @@ const (
 	ModeHTML       ParseMode = "HTML"
 )
 
-// M is a shortcut for map[string]interface{}. Use it for passing
-// arguments to the layout functions.
+// M is a shortcut for map[string]interface{}.
+// Useful for passing arguments to the layout functions.
 type M = map[string]interface{}
+
+// Flag returns a pointer to the given bool.
+// Useful for passing the three-state flags to a Bot API.
+// For example, see ReplyRecipient type.
+func Flag(b bool) *bool {
+	return &b
+}
diff --git a/update.go b/update.go
index b57aecb..3f73d8b 100644
--- a/update.go
+++ b/update.go
@@ -152,6 +152,16 @@ func (b *Bot) ProcessUpdate(u Update) {
 			return
 		}
 
+		if m.UserShared != nil {
+			b.handle(OnUserShared, c)
+			return
+		}
+
+		if m.ChatShared != nil {
+			b.handle(OnChatShared, c)
+			return
+		}
+
 		if m.NewGroupTitle != "" {
 			b.handle(OnNewGroupTitle, c)
 			return