Add new inline query related feature.

types.go

@@ -22,6 +22,7 @@ type Update struct {
 	UpdateID           int                `json:"update_id"`
 	Message            Message            `json:"message"`
 	InlineQuery        InlineQuery        `json:"inline_query"`
+	ChosenInlineResult ChosenInlineResult `json:"chosen_inline_result"`
 }
 
 // User is a user on Telegram.
@@ -361,3 +362,10 @@ type InlineQueryResultVideo struct {
 	Title                 string `json:"title"`
 	Description           string `json:"description"`
 }
+
+// ChosenInlineResult is an inline query result chosen by a User
+type ChosenInlineResult struct {
+	ResultID string `json:"result_id"`
+	From     User   `json:"from"`
+	Query    string `json:"query"`
+}