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Common Stock and Stockholders' Equity (Tables)
 12 Months Ended
Jan. 31, 2022
Equity [Abstract]  
Schedule of Common Stock Reserved for Future Issuance As of January 31, 2022, shares of common stock reserved for future issuance were as follows:
As of January 31, 2022
Options and unvested RSUs outstanding14,209,825 
Available for future stock option and RSU grants23,133,719 
Available for ESPP5,757,220 
 43,100,764