diff --git a/main.go b/main.go
index 9d3ea2f..5a307b8 100644
--- a/main.go
+++ b/main.go
@@ -38,6 +38,7 @@ type ChatRequest struct {
 	Input           interface{} `json:"input,omitempty"`
 	Instruction     string      `json:"instruction,omitempty"`
 	N               int         `json:"n,omitempty"`
+	Functions       interface{} `json:"functions,omitempty"`
 }
 
 type ImagesRequest struct {