Following this procedure, you will be able to add S+ links with different functionalities (adding a direct link to a document, site or list or even launching a detailed search within a site).
The process has 2 required steps:
When working with SharePlus links, if the resource URL or the action’s parameters include special characters that are not part of the ASCII character-set, you need to encode them.
For example, “=” must be replaced with “%3d”.
You can encode/decode URL using free tools like http://meyerweb.com/eric/tools/dencoder/.