Net Loss Per Share Attributable to Ordinary Shareholders - Schedule of Outstanding Potentially Dilutive Ordinary Shares Excluded from Computation of Diluted Net Loss Per Share Attributable to Ordinary Shareholders (Details) - shares	12 Months Ended
	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	11,729,714	9,936,672	10,912,299
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	4,038,238	5,219,124	7,611,016
RSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	7,494,399	4,717,548	3,301,283
ESPP
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	197,077	0	0