setFilterChain()

1. Basic filter chain
// Set filter chain directly
setFilterChain([
    {through="restrictAccess"}, // runs for all actions by default
    {through="isLoggedIn, checkIPAddress", except="home, login"}, // exclude certain actions
    {type="after", through="logConversion", only="thankYou"} // after filter for specific action
]);

//First filter: restrictAccess runs before all actions.
//Second filter: isLoggedIn and checkIPAddress run before all actions except home and login.
//Third filter: logConversion runs after the thankYou action only.

2. Using only and except with different filter types
setFilterChain([
    {through="authenticateUser", only="edit, update, delete"}, // only for sensitive actions
    {through="trackActivity", except="index, show"},           // for most actions except viewing
    {type="after", through="sendAnalytics"}                   // after all actions
]);

//Demonstrates selective filtering with only and except.
//Can combine before (default) and after filters in the same chain.

3. Multiple filters in one chain struct
setFilterChain([
    {through="validateSession, checkPermissions", only="admin, settings"},
    {through="logRequest"},
    {type="after", through="cleanupTempFiles"}
]);

//Multiple filters can run together (validateSession and checkPermissions).
//Mix of before and after filters ensures proper order and execution context.