For those who would like to redirect KSD customers to a special URL on login

Redirect ksd_customer role on login

<?php
//Based on https://codex.wordpress.org/Plugin_API/Filter_Reference/login_redirect

/**
 * Redirect KSD customer after successful login.
 *
 * @param string $redirect_to URL to redirect to.
 * @param string $request URL the user is coming from.
 * @param object $user Logged user's data.
 * @return string
 */
function ksd_customer_login_redirect( $redirect_to, $request, $user ) {
	
	if ( isset( $user->roles ) && is_array( $user->roles ) ) {
		//check for KSD customers
		if ( in_array( 'ksd_customer', $user->roles ) ) {
			//change home_url() to wherever you want to redirect KSD customers to
			return home_url();
		} else {
      // redirect the rest to the default place
			return  $redirect_to;
		}
	} else {
		return $redirect_to;
	}
}

add_filter( 'login_redirect', 'ksd_customer_login_redirect', 10, 3 );