import { sendTransaction } from "thirdweb";
import { setMerkleRoot } from "thirdweb/extensions/airdrop";
 
const transaction = setMerkleRoot({
 contract,
 token: ...,
 tokenMerkleRoot: ...,
 resetClaimStatus: ...,
 overrides: {
   ...
 }
});
 
// Send the transaction
await sendTransaction({ transaction, account });