How to post coordinates in alliance chat?

To post the coordinates of a location on the map you just need to tap on the location to select it. Below the location you will see the coordinates appear and a small Green Plus symbol. Tap the Plus to open the options for the location. There are 3 options, The fist is bookmark to save the location. The second is a Star that currently doesn't do anything. The third is the share icon. Tap this and you will have the option to share the location to the alliance or state chats.