# Directives

ADD PROPERTY/INDEX |

The ADD directive has two formats: one to add properties to the server side WindX cache, and one to add Indices to keyed files.

## Formats

Use the links below to access additional information for a specific format:

Format | Description
ADD INDEX ... TO ... | The ADD INDEX directive allows keys to be added to a PxPlus Keyed file without having to rebuild the file.
ADD SERVER PROPERTY .... | Adds a property to the list of possible host side cached properties for WindX.