//+------------------------------------------------------------------+  //|                                                 Amira brand      |  //+------------------------------------------------------------------+    #property copyright "Amira Brand"  #property link      "https://www.mql5.com/en/users/amirabrand1998"  #property version   "1.00"  #property strict    //+------------------------------------------------------------------+  //| Expert initialization function                                   |  //+------------------------------------------------------------------+  int OnInit() {     CheckLicense();               return(INIT_SUCCEEDED);  }    //+------------------------------------------------------------------+  //| Expert check license                                             |  //+------------------------------------------------------------------+  void CheckLicense()   {     Print("Account name: ", AccountName());         if (StringFind(StringLower(AccountName()), "account name in lowercase!!") < 0) {        Alert("No license active!");        ExpertRemove();        return;     }  }    //+------------------------------------------------------------------+  //| Expert string to lower                                           |  //+------------------------------------------------------------------+  string StringLower(string str)   {     string outstr = "";     string lower  = "abcdefghijklmnopqrstuvwxyz";     string upper  = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";          for (int i=0; i<StringLen(str); i++) {        int t1 = StringFind(upper,StringSubstr(str,i,1),0);        if (t1 >=0) {             outstr = outstr + StringSubstr(lower,t1,1);        } else {           outstr = outstr + StringSubstr(str,i,1);        }       }          return(outstr);  }