--- title: Plugins permalink: /docs/running/plugins/ --- Configuration for the available plugins are stored in a JSON encoded string. The format of this document are available with the [Plugins Overview]({{ "/docs/plugins/" | absolute_url }}). You can override the plugin config by specifying the content in the `TALK_PLUGIN_JSON` environment variable. ## Bundled Plugin Configuration {:.no_toc} Some of the core plugins that are bundled with Talk require specific configuration to be available. {% include toc %} ### Facebook Authentication - `TALK_FACEBOOK_APP_ID` (*required*) - the Facebook app id for your Facebook Login enabled app. - `TALK_FACEBOOK_APP_SECRET` (*required*) - the Facebook app secret for your Facebook Login enabled app.