Who helpef write one of Charlie Puth's top three singles?
One Call Away (Charlie Puth song):  It reached number 12 on the "Billboard" Hot 100, making it Puth's third top 40 single in the US and his third highest-charting single as a lead artist to date, behind "We Don't Talk Anymore" and "Attention". Attention (Charlie Puth song):  Written and produced by Puth, with additional songwriting by Jacob Kasher, the song was released on April 21, 2017 by Atlantic Records, as the lead single from Puth's upcoming second studio album "Voice Notes".
Jacob Kasher