受信 じゅしん通知 つうち要求 ようきゅう表示 ひょうじだったら
jushintsūchiyō kyūhyōjidattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 受信通知要求表示

1. If/when notification of receipt is requested; If/when a request for receipt notification is indicated

Tara Conditional
Computing