Pass a Struct Arg to Cadence in FCL

		
			import { config, query } from "@onflow/fcl";

config({
  "accessNode.api": "https://rest-testnet.onflow.org"
});

async function executeScript() {
  const result = await query({
    cadence: `
    import BasicBeastsNFTStakingRewards from 0x4c74cb420f4eaa84
    
    pub fun main(rewardItem: BasicBeastsNFTStakingRewards.RewardItem): BasicBeastsNFTStakingRewards.RewardItem {
      return rewardItem
    }
    `,
    args: (arg, t) => [
      arg(
        {
          fields: [
            { name: "id", value: "10" },
            { name: "rewardItemTemplateID", value: "20" },
            { name: "timestamp", value: "10.0" },
            { name: "revealed", value: true }
          ]
        },
        // `A.${contract address without the 0x}${contract name}${struct name}`
        t.Struct(`A.4c74cb420f4eaa84.BasicBeastsNFTStakingRewards.RewardItem`, [
          { name: "id", value: t.UInt32 },
          { name: "rewardItemTemplateID", value: t.UInt32 },
          { name: "timestamp", value: t.UFix64 },
          { name: "revealed", value: t.Bool }
        ])
      )
    ]
  });

  console.log({ result });
}

executeScript();