readAlerts | R Documentation |
Return all open alerts; that is, alerts which have not yet expired.
For a given Origin and Topic, only the most recent alert is returned.
readAlerts()
Returns a data frame with columns
Origin (character)
Timestamp (POSIXct)
Message (character)
Expiration (POSIXct)
Topic (character or NA)
URL (character or NA)
LinkText (character or)
The data frame will be empty if there are no active alerts.
postAlert for posting an alert in the first place.
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