bb Codes
If you do not use the following bb codes, the portal message will be cut at the max characters option set in acp and the post will display as normal. The following bb codes are NOT necessary for the portal to operate, just provides additional options of what you want displayed.
[portalpreview] - You can use this bb code in your post. Only the text between these tags will be shown on the portal as opposed to the entire post.
[portalpreview=exclusive] - If you use the exclusive bb code, the text between these tags will be shown on the Portal only, not in the post itself.