delete snapshot
diff --git a/openstack/blockstorage/v1/snapshots/snapshots.go b/openstack/blockstorage/v1/snapshots/snapshots.go
index 8525f1a..6a76f85 100644
--- a/openstack/blockstorage/v1/snapshots/snapshots.go
+++ b/openstack/blockstorage/v1/snapshots/snapshots.go
@@ -12,3 +12,4 @@
 }
 
 type CreateOpts map[string]interface{}
+type DeleteOpts map[string]string