title Function ADD<space><Friend Mobile#>   <space><Nickname: optional> Add a Friend to the Friend List with the Phone number and Nickname (Nickname is optional). A request SMS will be sent to the Friend asking him/her to allow you to access the location information. When the Friend accepts your request, then you can access the location of your Friend anytime from that point and on. If there is a number registered already, this can be used to change the Nickname. OK<space><Friend Mobile#> OK<space><Friend   Mobile#><space><Nickname> Say OK to your Friend to access your location information from now on. If there is a number registered already, this will change the Nickname.If you send OK without specifying a mobile number, you are saying OK to all outstanding OK requests from your friends. DEL<space><Friend Mobile#> DEL<space><Nickname> Delete from Friend List (Friends whom you can locate) DELOK<space><Friend Mobile#> DELOK<space><Nickname> Delete from OK List (Friends who can locate you) FIND<space><Friend Mobile#> FIND<space><Nickname> FIND<space><Friend Mobile#>   <space><Nickname> Find the location of your Friend with the Mobile Number or Nickname. If you FIND first without having a permission, this FIND request will be considered same as "ADD" request. SEND<space><Mobile#> SEND<space><Nickname> Send My Location to a Mobile Number (the number may or may not be in the Friend List) or a Nickname registered in the Friend List.