Given your description of the way point that is very very custom. You might try checking the quest section just in the off chance someone posted it or a partial script there.
Here is an example of how to add an object to a zone. The following will add an augment pool to Plane of Knowledge. It will appear in front of main bank.
Code:
delete from object where id = 2278;
INSERT INTO `object` (`id`, `zoneid`, `version`, `xpos`, `ypos`, `zpos`, `heading`, `itemid`, `charges`, `objectname`, `type`, `icon`, `unknown08`, `unknown10`, `unknown20`, `unknown24`, `unknown60`, `unknown64`, `unknown68`, `unknown72`, `unknown76`, `unknown84`) VALUES (2278, 202, 0, 423.98, 387.54, -124.94, 0, 0, 0, 'IT10714_ACTORDEF', 53, 1142, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
The zone location is controlled by the zone id number which you can get from the zone table of the database. Most of it is self explanatory except for maybe objectname in which case find a link to the list of them on this site or find an object you like in a zone and look it up in the database.