send_message_to_l1_syscall

Sends a message to L1. to_address - The recipient's L1 address. payload - The content of the message.

Fully qualified path: core::starknet::syscalls::send_message_to_l1_syscall

pub extern fn send_message_to_l1_syscall(
    to_address: felt252, payload: Span<felt252>,
) -> SyscallResult<()> implicits(GasBuiltin, System) nopanic;