diff --git a/microdroid/payload/config/src/lib.rs b/microdroid/payload/config/src/lib.rs
index 2547f3d..67e8feb 100644
--- a/microdroid/payload/config/src/lib.rs
+++ b/microdroid/payload/config/src/lib.rs
@@ -31,6 +31,10 @@
     #[serde(default)]
     pub apexes: Vec<ApexConfig>,
 
+    /// Extra APKs to be passed to a VM
+    #[serde(default)]
+    pub extra_apks: Vec<ApkConfig>,
+
     /// Tells VirtualizationService to use staged APEXes if possible
     #[serde(default)]
     pub prefer_staged: bool,
@@ -91,3 +95,10 @@
     /// The name of APEX
     pub name: String,
 }
+
+/// APK config
+#[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
+pub struct ApkConfig {
+    /// The path of APK
+    pub path: String,
+}