You can request to add a beneficiary by logging in to your LendingClub profile (on desktop browsers or the LendingClub app) and following these steps:
From your Dashboard, select Accounts.
Select the account you would like to add a beneficiary to.
Under Available Balance click the arrow next to Details.
Select the Add Beneficiary icon.
Select the Add New Beneficiary Button.
Fill out the beneficiary’s information, then click Review.