Add callback_query_handler.py example

examples/README.md

@@ -15,4 +15,5 @@ you can simply copy-paste and run, the only things you have to change are your s
 - [**get_participants2.py**](get_participants2.py)
 - [**query_inline_bots.py**](query_inline_bots.py)
 - [**send_bot_keyboards.py**](send_bot_keyboards.py)
+- [**callback_query_handler.py**](callback_query_handler.py)
 - [**raw_update_handler.py**](raw_update_handler.py)

examples/callback_query_handler.py

@@ -0,0 +1,20 @@
+from pyrogram import Client
+
+"""This example shows how to handle callback queries, i.e.: queries coming from inline button presses.
+
+It uses the @on_callback_query decorator to register a CallbackQueryHandler."""
+
+app = Client("123456:ABC-DEF1234ghIkl-zyx57W2v1u123ew11")
+
+
+@app.on_callback_query()
+def answer(client, callback_query):
+    client.answer_callback_query(
+        callback_query.id,
+        text='Button contains: "{}"'.format(callback_query.data),
+        show_alert=True
+    )
+
+
+app.start()
+app.idle()