Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: missing argument label: `keyIndex`
 --> fc6599692888325640bbc575a270e9ad38c25124f868f59d276d13fdbfbbbd1b:4:38
  |
4 |         let keyA = signer.keys.revoke(3)
  |                                       ^