diff --git a/wifi/supplicant/1.0/ISupplicantVendorStaNetwork.hal b/wifi/supplicant/1.0/ISupplicantVendorStaNetwork.hal
index 91e6f32..cc577ce 100644
--- a/wifi/supplicant/1.0/ISupplicantVendorStaNetwork.hal
+++ b/wifi/supplicant/1.0/ISupplicantVendorStaNetwork.hal
@@ -62,4 +62,9 @@
    *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
    */
   setEapErp(bool enable) generates (SupplicantStatus status);
+
+  /**
+   * Configure Sim number for eap-proxy
+   */
+  setSimNumber(uint32_t sim_num) generates (SupplicantStatus status);
 };