CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2022	Jan. 31, 2021
Revenue
Total revenue		$ 69,773	$ 49,109	$ 180,442	$ 130,933
Cost of revenue
Total cost of revenue		17,354	12,226	46,350	32,807
Gross profit		52,419	36,883	134,092	98,126
Operating expenses
Sales and marketing	[1]	43,146	28,450	126,134	64,898
Research and development		40,931	18,748	104,166	48,145
General and administrative		15,748	8,184	43,391	21,433
Total operating expenses		99,825	55,382	273,691	134,476
Loss from operations		(47,406)	(18,499)	(139,599)	(36,350)
Interest income		410	129	1,077	997
Other income (expense), net		7,742	1,721	5,471	4,163
Net loss before provision for income taxes		(39,254)	(16,649)	(133,051)	(31,190)
Provision for income taxes		193	203	594	456
Net loss		$ (39,447)	$ (16,852)	$ (133,645)	$ (31,646)
Class A Common Stock
Operating expenses
Net loss per share attributable to common shareholders, basic (in dollars per share)		$ (0.38)	$ (0.23)	$ (1.29)	$ (0.64)
Net loss per share attributable to common shareholders, diluted (in dollars per share)		$ (0.38)	$ (0.23)	$ (1.29)	$ (0.64)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic (in shares)		101,593,000	68,648,000	100,341,000	43,481,000
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted (in shares)		101,593,000	68,648,000	100,341,000	43,481,000
Class A-1 Common Stock
Operating expenses
Net loss per share attributable to common shareholders, basic (in dollars per share)		$ 0	$ (0.10)	$ 0	$ (0.52)
Net loss per share attributable to common shareholders, diluted (in dollars per share)		$ 0	$ (0.10)	$ 0	$ (0.52)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic (in shares)		0	6,667,000	0	6,667,000
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted (in shares)		0	6,667,000	0	6,667,000
Class B Common Stock
Operating expenses
Net loss per share attributable to common shareholders, basic (in dollars per share)		$ (0.38)	$ (0.13)	$ (1.29)	$ (0.12)
Net loss per share attributable to common shareholders, diluted (in dollars per share)		$ (0.38)	$ (0.13)	$ (1.29)	$ (0.12)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic (in shares)		3,500,000	3,500,000	3,500,000	3,500,000
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted (in shares)		3,500,000	3,500,000	3,500,000	3,500,000
Subscription
Revenue
Total revenue	[2]	$ 57,084	$ 42,699	$ 150,614	$ 114,248
Cost of revenue
Total cost of revenue	[3]	12,275	7,023	32,880	22,694
Professional services
Revenue
Total revenue	[4]	12,689	6,410	29,828	16,685
Cost of revenue
Total cost of revenue		$ 5,079	$ 5,203	$ 13,470	$ 10,113

[1] Including related party sales and marketing expense of $2,398 and nil for the three months ended January 31, 2022 and 2021, respectively, and $2,590 and nil for the nine months ended January 31, 2022 and 2021, respectively.

[2] Including related party revenue of $19,740 and $7,951 for the three months ended January 31, 2022 and 2021, respectively, and $39,960 and $21,571 for the nine months ended January 31, 2022 and 2021, respectively.

[3] Including related party cost of revenue of $191 and nil for the three months ended January 31, 2022 and 2021, respectively, and $388 and nil for the nine months ended January 31, 2022 and 2021, respectively.

[4] Including related party revenue of $4,892 and nil for the three months ended January 31, 2022 and 2021, respectively, and $12,890 and nil for the nine months ended January 31, 2022 and 2021, respectively.