Use this method to edit only the reply markup of messages. On success, if edited message is sent by the bot, the edited Message is returned, otherwise True is returned.
## Arguments
| Name | Type | Description |
| - | - | - |
| `chat_id` | `#!python3 Optional[Union[int, str]]` | Optional. Required if inline_message_id is not specified. Unique identifier for the target chat or username of the target channel (in the format @channelusername) |
| `message_id` | `#!python3 Optional[int]` | Optional. Required if inline_message_id is not specified. Identifier of the message to edit |
| `inline_message_id` | `#!python3 Optional[str]` | Optional. Required if chat_id and message_id are not specified. Identifier of the inline message |
| `reply_markup` | `#!python3 Optional[InlineKeyboardMarkup]` | Optional. A JSON-serialized object for an inline keyboard. |
## Response
Type: `#!python3 Union[Message, bool]`
Description: On success, if edited message is sent by the bot, the edited Message is returned, otherwise True is returned.