To use the harvest function, you will need to first go to the website mentioned in the answer above (https://aurorascan.dev/address/0x9105181007d4A2d8894Db1fD52Ea1ddfB98C860A#writeContract). From there, you will need to connect your wallet to the website. Once you have connected your wallet, you will be able to access the harvest function. To do this, you will need to select the “Write Contract” tab at the top of the page and then select the “Harvest” function (number 4) from the dropdown menu. After that, you will need to enter the necessary parameters for the function and then submit the transaction. Once the transaction is completed, you will have successfully harvested the rewards.