apex mail send procedure

ALTER SESSION SET CURRENT_SCHEMA = APEX_050000



DECLARE
  ACL_PATH VARCHAR2(4000);
BEGIN
    -- Look for the ACL currently assigned to '*' and give APEX_050000
    -- the "connect" privilege if APEX_050000
    -- does not have the privilege yet.
  SELECT ACL INTO ACL_PATH FROM DBA_NETWORK_ACLS
    WHERE HOST = '*' AND LOWER_PORT IS NULL AND UPPER_PORT IS NULL;
  IF DBMS_NETWORK_ACL_ADMIN.CHECK_PRIVILEGE (ACL_PATH,'APEX_050000','connect') IS NULL THEN
    DBMS_NETWORK_ACL_ADMIN.ADD_PRIVILEGE(ACL_PATH,'APEX_050000', TRUE, 'connect');
  END IF;
  EXCEPTION
    -- When no ACL has been assigned to '*'.
  WHEN NO_DATA_FOUND THEN
    DBMS_NETWORK_ACL_ADMIN.CREATE_ACL('power_users.xml',
    'ACL that lets power users to connect to everywhere',
    'APEX_050000', TRUE, 'connect');
  DBMS_NETWORK_ACL_ADMIN.ASSIGN_ACL('power_users.xml','*');
END;

COMMIT;

===
begin
APEX_MAIL.SEND(
        p_to        => 'abc@gmail.com',
        p_from      => 'xyz@xyz.com',
        p_subj      => 'APEX_MAIL with attachment',
        p_body      => 'Please review the attachment.',
        p_body_html => '<b>Please</b> review the attachment');

end;