 
 -- init: set up mailgun parameters
 --   default is to not change the given parameter
+--   for details refer to:
+--https://github.com/jeffreykemp/mailgun-plsql-api/wiki/API-Reference#procedure-init
 procedure init
   (p_public_api_key       in varchar2 := default_no_change
   ,p_private_api_key      in varchar2 := default_no_change

-- send an email
-- (to add more recipients or attach files to the email, call the relevant send_xx()
-- or attach() procedures before calling this)
procedure send_email
  (p_from_name    in varchar2  := null
  ,p_from_email   in varchar2  := null

create or replace package mailgun_pkg is
/* mailgun API v0.7
  https://github.com/jeffreykemp/mailgun-plsql-api
  by Jeffrey Kemp
*/

