diff --git a/wlan/wpa/v1_1/IWpaInterface.idl b/wlan/wpa/v1_1/IWpaInterface.idl
index 815c988cf0a8d21ed7d128e090205df702d9f272..9ff9b63de461c9120cb3176c9e806b2892b6d7fd 100644
--- a/wlan/wpa/v1_1/IWpaInterface.idl
+++ b/wlan/wpa/v1_1/IWpaInterface.idl
@@ -72,4 +72,19 @@ interface IWpaInterface extends ohos.hdi.wlan.wpa.v1_0.IWpaInterface {
      * @version 1.0
      */
     UnregisterWpaEventCallback([in] IWpaCallback cbFunc, [in] String ifName);
+
+    /**
+     * @brief Get Sta data from wpa_supplicant
+     *
+     * @param ifName Indicates the NIC name.
+     * @param staParam Indicates the param of sta to get data.
+     * @param staData Indicates the data obtained.
+     *
+     * @return Returns <b>0</b> if the operation is successful.
+     * @return Returns a negative value if the operation fails.
+     *
+     * @since 5.1
+     * @version 1.0
+     */
+    GetWpaStaData([in] String ifName, [in] String staParam, [out] String staData);
 }