diff --git a/apiconfig/group.go b/apiconfig/group.go
index d04309a..ede9f6c 100644
--- a/apiconfig/group.go
+++ b/apiconfig/group.go
@@ -3,7 +3,7 @@ package apiconfig
 type GroupConfig struct {
 	ID           string                 `json:"id,omitempty"`
 	Start        string                 `json:"start,omitempty"`
-	EndVariable  string                 `json:"endVariable,omitempty"`
+	LookupTag    string                 `json:"lookupTag,omitempty"`
 	Fields       []string               `json:"fields,omitempty"`
 	Actions      map[string]Action      `json:"actions,omitempty"`
 	Conditionals map[string]Conditional `json:"conditionals,omitempty"`