Under Manage → Email Manager you can configure the Identity Management password reset email notification. This email can contain the following variable {{sys_user_reset_token}}. This is a user token to reset the password. This variable is populated when a user exists.
The variable {{sys_password}} generates a temporary password for a new user.
This variable is populated in the following emails Voucher Delivery and Free access granted in case you are using Piano Management + Billing accounts.