friendica-addons/twitter/config/twitter.config.php

<?php

// Warning: Don't change this file! It only holds the default config values for this addon.
// Instead, copy this file to config/twitter.config.php in your Friendica directory and set the correct values there

return [
	'twitter' => [
		// consumerkey (String)
		// OAuth Consumer Key provided by Twitter on registering an app at https://twitter.com/apps
		'consumerkey' => '',

		// consumersecret (String)
		// OAuth Consumer Secret provided by Twitter on registering an app at https://twitter.com/apps
		'consumersecret' => '',
	],
];