This is the 14859th most frequent Russian word.
повторным
Repeated.
Here, 'повторная' is used as an adjective to modify 'attempt', denoting that this specific attempt is a second or a subsequent one following a prior attempt.
Повторная попытка оказалась успешной.
The repeated attempt turned out to be successful.
Here, 'повторным' is used as an adjective describing 'testing', suggesting the action of repeating it after a prior instance as part of a series of actions.
После первого неудачного эксперимента мы решили продолжить с повторным тестированием.
After the first unsuccessful experiment, we decided to proceed with repeated testing.
In this sentence, 'повторное' acts as an adjective to 'уведомление', indicating that the notification has been sent again or is recurring after an initial instance.