PARAMETERS:

chat_id - REQUIRED
message_id - REQUIRED
caption - OPTIONAL - Default: None
disable_web_page_preview=False - OPTIONAL - Default: False
disable_notification=False - OPTIONAL - Default: False
reply_to_message_id=None - OPTIONAL - Default: None
reply_markup - OPTIONAL - Default: None
allow_sending_without_reply=False - OPTIONAL - Default: False

More info on https://core.telegram.org/bots/api#copymessage