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<?php
//* Do NOT include the opening php tag shown above. Copy the code shown below.

<!-- To register and display a custom sidebar in Secondary Sidebar location for logged in users -->

//* Register Members only Secondary sidebar

genesis_register_sidebar( array(
    'id'          => 'members-secondary',
    'name'        => __( 'Secondary Sidebar (Members)', 'metro' ),
    'description' => __( 'This is the members only secondary sidebar.', 'metro' ),
) );

//* Show Members only custom Secondary sidebar in Secondary Sidebar location

add_action( 'genesis_after_header', 'sk_change_genesis_secondary_sidebar' );
function sk_change_genesis_secondary_sidebar() {

    if( is_user_logged_in() && is_active_sidebar( 'members-secondary' ) ) {

        // Remove the Secondary Sidebar from the Secondary Sidebar area.
        remove_action( 'genesis_sidebar_alt', 'genesis_do_sidebar_alt' );

        add_action( 'genesis_sidebar_alt', 'sk_do_sidebar_alt' );
    }

}

function sk_do_sidebar_alt() {

    dynamic_sidebar( 'members-secondary' );

}