Lesson: 6 problem in verifying contract

[MashoodAli-1]

anyone have the solution for the following error while verifying the contract on rinkeby network:

 // i have defined my etherscan API key in hardhat config file but i still got the error API key was not found
 etherscan: {
        /* get the api from https://etherscan.io/myapikey */
        apikey: "72TUQQGT3RYQBP4GAMVAA9PQWEPEV4G2Z7"
    },

verifying contract...
NomicLabsHardhatPluginError: You are trying to verify a contract in 'rinkeby', but no API token was found for this network. Please provide one in your hardhat config.
{
  ...
  etherscan: {
    apiKey: {
      rinkeby: 'your API key'
    }
  }
}

[alymurtazamemon]

@MashoodAli-1 apiKey

- apikey: "72TUQQGT3RYQBP4GAMVAA9PQWEPEV4G2Z7"
+ apiKey: "72TUQQGT3RYQBP4GAMVAA9PQWEPEV4G2Z7"