diff --git a/config_builder.go b/config_builder.go
index 6f9cb1f3e..d3ca5e2b2 100644
--- a/config_builder.go
+++ b/config_builder.go
@@ -213,6 +213,11 @@ type AuxComponents struct {
 	// AuxContractResolver is an optional interface that can be used to
 	// modify the way contracts are resolved.
 	AuxContractResolver fn.Option[lnwallet.AuxContractResolver]
+
+	// AuxChannelNegotiator is an optional interface that allows aux channel
+	// implementations to inject and process custom records over channel
+	// related wire messages.
+	AuxChannelNegotiator fn.Option[lnwallet.AuxChannelNegotiator]
 }
 
 // DefaultWalletImpl is the default implementation of our normal, btcwallet