diff --git a/exo.core.component.organization.api/src/main/java/org/exoplatform/services/organization/externalstore/IDMExternalStoreService.java b/exo.core.component.organization.api/src/main/java/org/exoplatform/services/organization/externalstore/IDMExternalStoreService.java
index 92c7204b..7161e6fa 100644
--- a/exo.core.component.organization.api/src/main/java/org/exoplatform/services/organization/externalstore/IDMExternalStoreService.java
+++ b/exo.core.component.organization.api/src/main/java/org/exoplatform/services/organization/externalstore/IDMExternalStoreService.java
@@ -56,10 +56,12 @@ public interface IDMExternalStoreService {
 
   public static final String            USER_PROFILE_ADDED_FROM_EXTERNAL_STORE  = "exo.idm.externalStore.user.profile.new";
 
+  public static final String             AUTHORIZE_LOGIN_PARAM = "exo.idm.externalStore.authorizelogin";
+
   /**
    * Authenticates user using external store only
    * 
-   * @param username
+   * @param usernamece
    * @param password
    * @return
    * @throws Exception