Create the Sender Contract

forge create --rpc-url fuji-c --private-key $PK contracts/interchain-messaging/send-roundtrip/senderOnCChain.sol:SenderOnCChain --broadcast

[⠊] Compiling...
[⠢] Compiling 1 files with Solc 0.8.18
[⠆] Solc 0.8.18 finished in 165.79ms
Compiler run successful!
Deployer: 0x8db97C7cEcE249c2b98bDC0226Cc4C2A57BF52FC // [$FUNDED_ADDRESS]
Deployed to: 0xA4cD3b0Eb6E5Ab5d8CE4065BcCD70040ADAB1F00 // [$SENDER_ADDRESS]
Transaction hash: 0x4f41cf829fbc525b64d9773c41dc9fabb3b93dfd03bf6c1568dcc4a4c6bdeb1a

export SENDER_ADDRESS={your-sender-address}