> For the complete documentation index, see [llms.txt](https://docs.nucleusearn.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.nucleusearn.io/nucleus-architecture/smart-contracts/contracts/base/roles/cross-chain/cross-chain-op-teller-with-multi-asset-support/icrossdomainmessenger.md).

# ICrossDomainMessenger

[Git Source](https://github.com/Ion-Protocol/nucleus-boring-vault/blob/cc0b494b83e17b9b169a73b96050d2810b690477/src/base/Roles/CrossChain/CrossChainOPTellerWithMultiAssetSupport.sol)

## Functions

### xDomainMessageSender

```solidity
function xDomainMessageSender() external view returns (address);
```

### sendMessage

```solidity
function sendMessage(address _target, bytes calldata _message, uint32 _gasLimit) external;
```