CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2021	Oct. 31, 2020
Revenue
Total revenue		$ 58,263	$ 41,341	$ 110,669	$ 81,824
Cost of revenue
Total cost of revenue		15,971	10,081	28,996	20,580
Gross profit		42,292	31,260	81,673	61,244
Operating expenses
Sales and marketing	[1]	46,166	22,088	82,988	36,446
Research and development		36,523	16,134	63,235	29,398
General and administrative		15,279	7,562	27,643	13,249
Total operating expenses		97,968	45,784	173,866	79,093
Loss from operations		(55,676)	(14,524)	(92,193)	(17,849)
Interest income		322	288	667	868
Other (expense) income, net		(1,372)	(578)	(2,271)	2,440
Net loss before provision for income taxes		(56,726)	(14,814)	(93,797)	(14,541)
Provision for income taxes		13	130	401	253
Net loss		$ (56,739)	$ (14,944)	$ (94,198)	$ (14,794)
Class A Common Stock
Operating expenses
Net loss per share attributable to common shareholders, basic (in dollars per share)		$ (0.55)	$ (0.39)	$ (0.91)	$ (0.39)
Net loss per share attributable to common shareholders, diluted (in dollars per share)		$ (0.55)	$ (0.39)	$ (0.91)	$ (0.39)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic (in shares)		100,246,000	31,387,000	99,558,000	31,006,000
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted (in shares)		100,246,000	31,387,000	99,558,000	31,006,000
Class A-1 Common Stock
Operating expenses
Net loss per share attributable to common shareholders, basic (in dollars per share)		$ 0	$ (0.39)	$ 0	$ (0.39)
Net loss per share attributable to common shareholders, diluted (in dollars per share)		$ 0	$ (0.39)	$ 0	$ (0.39)
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)		$ (0.55)	$ 0	$ (0.91)	$ 0
Net loss per share attributable to common shareholders, diluted (in dollars per share)		$ (0.55)	$ 0	$ (0.91)	$ 0
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic (in shares)		3,500,000	0	3,500,000	0
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted (in shares)		3,500,000	0	3,500,000	0
Subscription
Revenue
Total revenue	[2]	$ 47,408	$ 35,854	$ 93,530	$ 71,549
Cost of revenue
Total cost of revenue	[3]	11,392	7,084	20,605	15,671
Professional services
Revenue
Total revenue	[4]	10,855	5,487	17,139	10,275
Cost of revenue
Total cost of revenue		$ 4,579	$ 2,997	$ 8,391	$ 4,909

[1] Including related party sales and marketing expense of $131 and nil for the three months ended October 31, 2021 and 2020, respectively, and $192 and nil for the six months ended October 31, 2021 and 2020, respectively.

[2] Including related party revenue of $10,012 and $6,810 for the three months ended October 31, 2021 and 2020, respectively, and $20,220 and $13,620 for the six months ended October 31, 2021 and 2020, respectively.

[3] Including related party cost of revenue of $80 and nil for the three months ended October 31, 2021 and 2020, respectively, and $197 and nil for the six months ended October 31, 2021 and 2020, respectively.

[4] Including related party revenue of $5,924 and nil for the three months ended October 31, 2021 and 2020, respectively, and $7,998 and nil for the six months ended October 31, 2021 and 2020, respectively.