@GET
    @Path("userGroupAttributes")
    public Collection<Form> getUserGroupAttributes() throws GuacamoleException {

        // Retrieve all possible user group attributes
        return userContext.getUserGroupAttributes();

    }
Retrieves the possible attributes of a user group object.

@return
    A collection of forms which describe the possible attributes of a
    user group object.

@throws GuacamoleException
    If an error occurs while retrieving the possible attributes.
guacamole/src/main/java/org/apache/guacamole/rest/schema/SchemaResource.java