> ## Documentation Index
> Fetch the complete documentation index at: https://docs.forterulesengine.io/llms.txt
> Use this file to discover all available pages before exploring further.

# ForeignCall

> v0.9.2

[Git Source](https://github.com/Forte-Service-Company-Ltd/forte-rules-engine/blob/496f4da7e579393952d95fe7846fe767b31632a4/src/engine/RulesEngineStorageStructure.sol)

Structure used to represent a foreign call that can be made during rule evaluation

```solidity theme={null}
struct ForeignCall {
    bool set;
    address foreignCallAddress;
    bytes4 signature;
    ParamTypes returnType;
    uint256 foreignCallIndex;
    ParamTypes[] parameterTypes;
    ForeignCallEncodedIndex[] encodedIndices;
    ForeignCallEncodedIndex[] mappedTrackerKeyIndices;
    bytes4 callingFunctionSelector;
}
```