diff --git a/pkg/extension/action.go b/pkg/extension/action.go
index 8b801e0269c21111c2e6ad90e8b72ca3d5c8f2cc..7d6b3082a003f59b846d7373e40ecf46a98d62a1 100644
--- a/pkg/extension/action.go
+++ b/pkg/extension/action.go
@@ -20,7 +20,7 @@ type (
 		EnvID        string                  `json:"env_id,omitempty"`
 		CollectionID string                  `json:"collection_id,omitempty"`
 		ItemID       string                  `json:"item_id,omitempty"`
-		ItemIDs      []string                `json:"item_i_ds,omitempty"`
+		ItemIDs      []string                `json:"item_ids,omitempty"`
 		Fields       []string                `json:"fields,omitempty"`
 		Metadata     map[string]string       `json:"metadata,omitempty"`
 		Refs         []*references.Reference `json:"refs,omitempty"`