{
    "Function": "getL2ToL1Sender",
    "File": "contracts/arbitrum/L1ArbitrumMessenger.sol",
    "Parent Contracts": [],
    "High-Level Calls": [
        "IOutbox",
        "IBridge"
    ],
    "Internal Calls": [
        "require(bool,string)",
        "getBridge"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function getL2ToL1Sender(address _inbox) internal view virtual returns (address) {\n        IOutbox outbox = IOutbox(getBridge(_inbox).activeOutbox());\n        address l2ToL1Sender = outbox.l2ToL1Sender();\n\n        require(l2ToL1Sender != address(0), \"NO_SENDER\");\n        return l2ToL1Sender;\n    }"
}