diff --git a/sdk/src/main/java/org/zstack/sdk/GetMdevDeviceCandidatesAction.java b/sdk/src/main/java/org/zstack/sdk/GetMdevDeviceCandidatesAction.java
index 8f98f870348..cd6fae86322 100644
--- a/sdk/src/main/java/org/zstack/sdk/GetMdevDeviceCandidatesAction.java
+++ b/sdk/src/main/java/org/zstack/sdk/GetMdevDeviceCandidatesAction.java
@@ -37,6 +37,9 @@ public Result throwExceptionIfError() {
     @Param(required = false, nonempty = false, nullElements = false, emptyString = true, noTrim = false)
     public java.util.List types;
 
+    @Param(required = false, nonempty = false, nullElements = false, emptyString = true, noTrim = false)
+    public java.lang.Integer minAvailableDevicesPerHost;
+
     @Param(required = false)
     public java.util.List systemTags;