diff --git a/src/IKontrolCheatsBase.sol b/src/IKontrolCheatsBase.sol
index f5cb66e..d758669 100644
--- a/src/IKontrolCheatsBase.sol
+++ b/src/IKontrolCheatsBase.sol
@@ -24,6 +24,8 @@ interface KontrolCheatsBase {
     function symbolicStorage(address, string calldata) external;
     // Adds an address to the whitelist.
     function allowCallsToAddress(address) external;
+    // Adds an address and calldata to the whitelist.
+    function allowCalls(address, bytes calldata) external;
     // Adds an address and a storage slot to the whitelist.
     function allowChangesToStorage(address,uint256) external;
     // Sets the remaining gas to an infinite value.