CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2020
Revenue
Total revenue		$ 252,759	$ 183,217	$ 156,666
Cost of revenue
Total cost of revenue		63,713	44,519	38,787
Gross profit		189,046	138,698	117,879
Operating expenses
Sales and marketing	[1]	173,584	96,991	94,974
Research and development		150,544	68,856	64,548
General and administrative		61,040	33,109	29,854
Total operating expenses		385,168	198,956	189,376
Loss from operations		(196,122)	(60,258)	(71,497)
Interest income		1,827	1,255	4,251
Other income (expense), net		3,019	4,011	(1,752)
Net loss before provision for income taxes		(191,276)	(54,992)	(68,998)
Provision for income taxes		789	704	380
Net loss		$ (192,065)	$ (55,696)	$ (69,378)
Class A Common Stock
Operating expenses
Net loss per share attributable to common stockholders, basic (in dollars per share)		$ (1.84)	$ (0.90)	$ (1.94)
Net loss per share attributable to common stockholders, diluted (in dollars per share)		$ (1.84)	$ (0.90)	$ (1.94)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic (in shares)		100,904	56,678	29,133
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted (in shares)		100,904	56,678	29,133
Redeemable Convertible Common Class A-1 Stock
Operating expenses
Net loss per share attributable to common stockholders, basic (in dollars per share)		$ 0	$ (0.55)	$ (1.94)
Net loss per share attributable to common stockholders, diluted (in dollars per share)		$ 0	$ (0.55)	$ (1.94)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic (in shares)		0	6,667	6,667
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted (in shares)		0	6,667	6,667
Class B Common Stock
Operating expenses
Net loss per share attributable to common stockholders, basic (in dollars per share)		$ (1.84)	$ (0.35)	$ 0
Net loss per share attributable to common stockholders, diluted (in dollars per share)		$ (1.84)	$ (0.35)	$ 0
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic (in shares)		3,500	3,500	0
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted (in shares)		3,500	3,500	0
Cost of subscription
Revenue
Total revenue	[2]	$ 206,916	$ 157,366	$ 135,394
Cost of revenue
Total cost of revenue	[3]	45,838	31,315	31,479
Professional services
Revenue
Total revenue	[4]	45,843	25,851	21,272
Cost of revenue
Total cost of revenue		$ 17,875	$ 13,204	$ 7,308

[1] Including related party sales and marketing expense of $8,229, $44 and nil for the fiscal years ended April 30, 2022, 2021 and 2020, respectively.

[2] Including related party revenue of $60,425, $30,557, and $40,425 for the fiscal years ended April 30, 2022, 2021 and 2020, respectively.

[3] Including related party cost of revenue of $578, $56 and nil for the fiscal years ended April 30, 2022, 2021 and 2020, respectively.

[4] Including related party revenue of $16,872, $4,825, and $292 for the fiscal years ended April 30, 2022, 2021 and 2020, respectively.