CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020
Revenue:
Total revenue	$ 320,769	$ 211,854	$ 121,261
Cost of revenue:
Total cost of revenue	63,440	41,052	23,915
Gross Profit, Total	257,329	170,802	97,346
Operating expenses:
Sales and marketing	269,504	141,018	89,308
Research and development	165,031	65,248	40,118
General and administrative	112,108	48,545	24,137
Total operating expenses	546,643	254,811	153,563
Loss from operations	(289,314)	(84,009)	(56,217)
Other income, net	162	756	3,382
Loss before income taxes	(289,152)	(83,253)	(52,835)
Provision for income taxes	986	262	535
Net loss	$ (290,138)	$ (83,515)	$ (53,370)
Net loss per share attributable to common stockholders, basic and diluted	$ (3.48)	$ (1.32)	$ (0.90)
Weighted-average shares used to compute net loss per share attributable to common stockholders, basic and diluted	83,276,526	63,375,470	59,161,264
Total Subscription Revenue
Revenue:
Total revenue	$ 313,683	$ 205,907	$ 117,662
Cost of revenue:
Total cost of revenue	52,332	32,541	19,388
Total Subscription Revenue | License
Revenue:
Total revenue	47,504	36,208	18,503
Cost of revenue:
Total cost of revenue	221	536	294
Total Subscription Revenue | Support
Revenue:
Total revenue	247,566	165,607	96,820
Cost of revenue:
Total cost of revenue	38,080	27,194	17,704
Total Subscription Revenue | Cloud Hosted Services
Revenue:
Total revenue	18,613	4,092	2,339
Cost of revenue:
Total cost of revenue	14,031	4,811	1,390
Professional Services
Revenue:
Total revenue	7,086	5,947	3,599
Cost of revenue:
Total cost of revenue	$ 11,108	$ 8,511	$ 4,527