What does Apple's mobile phone mean by sending messages to filter receipts?

Apple mobile phone sends information filtering receipt, which means: receipt short message with filtered information sent by Apple brand mobile phone. Apple's mobile phone is called iPhone. IPhone is a series of smart phones developed and sold by Apple. Sending information filtering receipt is a new filtering function added by Apple in iOS 13. Therefore, the message filtering receipt sent by Apple's mobile phone means: the receipt short message with filtered information sent by Apple brand mobile phone.