# Core Reference

- [Using the core reference](/core-resources/using-the-core-reference.md)
- [Bubble's Interface](/core-resources/bubbles-interface.md)
- [Design tab](/core-resources/bubbles-interface/design-tab.md)
- [Design tab (Legacy)](/core-resources/bubbles-interface/design-tab-1.md)
- [Workflow tab](/core-resources/bubbles-interface/workflow-tab.md)
- [Data tab](/core-resources/bubbles-interface/data-tab.md)
- [Styles tab](/core-resources/bubbles-interface/styles-tab.md)
- [Styles tab (Legacy)](/core-resources/bubbles-interface/styles-tab-1.md)
- [Plugins tab](/core-resources/bubbles-interface/plugins-tab.md)
- [Settings tab](/core-resources/bubbles-interface/settings-tab.md)
- [Logs tab](/core-resources/bubbles-interface/logs-tab.md)
- [Template tab](/core-resources/bubbles-interface/template-tab.md)
- [Toolbar](/core-resources/bubbles-interface/toolbar.md)
- [Top and context menu options](/core-resources/bubbles-interface/top-and-context-menu-options.md)
- [Deployment and version control](/core-resources/bubbles-interface/version-control-deployment.md)
- [Deployment & Version Control Dropdown (legacy)](/core-resources/bubbles-interface/version-control-deployment/legacy.md)
- [Notes](/core-resources/bubbles-interface/comments-and-notes.md)
- [Elements](/core-resources/elements.md)
- [Native mobile elements](/core-resources/elements/native-mobile-elements.md)
- [View element](/core-resources/elements/native-mobile-elements/view-element.md)
- [Navigation elements](/core-resources/elements/native-mobile-elements/view-element/navigation-elements.md)
- [List component](/core-resources/elements/native-mobile-elements/list-component.md)
- [Visual elements](/core-resources/elements/native-mobile-elements/visual-elements.md)
- [Input forms](/core-resources/elements/native-mobile-elements/input-forms.md)
- [General properties](/core-resources/elements/shared-properties.md)
- [General properties (Legacy)](/core-resources/elements/shared-properties-1.md)
- [Styling properties](/core-resources/elements/styling-properties.md)
- [Styling Properties (Legacy)](/core-resources/elements/styling-properties-1.md)
- [Responsive Properties](/core-resources/elements/responsive-properties.md)
- [Responsive Properties (Legacy)](/core-resources/elements/responsive-properties-1.md)
- [Conditional formatting](/core-resources/elements/conditional-formatting.md)
- [States](/core-resources/elements/states.md)
- [Page Element](/core-resources/elements/page-element.md)
- [Page Element (Legacy)](/core-resources/elements/page-element/page-element.md)
- [Visual Elements](/core-resources/elements/visual-elements.md)
- [Containers](/core-resources/elements/containers.md)
- [Container Layout Types](/core-resources/elements/container-layout-types.md)
- [Containers (Legacy)](/core-resources/elements/containers-1.md)
- [Input Forms](/core-resources/elements/input-forms.md)
- [Reusable Elements](/core-resources/elements/reusable-elements.md)
- [Element Templates (legacy)](/core-resources/elements/element-templates.md)
- [Workflows](/core-resources/workflows.md)
- [Events](/core-resources/events.md): Events trigger workflows.
- [General events](/core-resources/events/general-events.md): Events that are triggered upon specific conditions not necessarily initiated by the user interacting with an element.
- [Element events](/core-resources/events/element-events.md): Events that are triggered when the user interacts with an element on the page.
- [Custom events](/core-resources/events/custom-events.md): Events that can be triggered by other workflows.
- [Recurring event](/core-resources/events/recurring-event.md): Events that trigger on the Bubble server at a specific interval.
- [Database trigger event](/core-resources/events/trigger-event.md): Database trigger events execute server-side when a specific change happens in the database, regardless of how the change was made.
- [In-app purchase events](/core-resources/events/in-app-purchase-events.md)
- [Actions](/core-resources/actions.md): Actions are the tasks that Bubble performs. All actions are part of a workflow.
- [Account](/core-resources/actions/account.md): Signing up and logging in users is handled automatically by Bubble.
- [Navigation](/core-resources/actions/navigation.md): Actions that instructs Bubble to navigate between pages and pause/cancel workflows
- [Data (things)](/core-resources/actions/data-things.md): Things are unique records in your database that can be created, edited and deleted with actions.
- [Email and notifications](/core-resources/actions/email.md): Actions that send emails.
- [Element](/core-resources/actions/element.md): Actions that manipulate elements on the page.
- [Custom](/core-resources/actions/custom.md): Actions that trigger, schedule and cancel custom events and API workflows.
- [In-app purchase actions](/core-resources/actions/in-app-purchase-actions.md)
- [On-device resources](/core-resources/on-device-resources.md)
- [Data](/core-resources/data.md): Creating, reading and changing data.
- [Data Sources](/core-resources/data/data-sources.md)
- [Operators and comparisons](/core-resources/data/operations-and-comparisons.md): Aggregating, manipulating and comparing data.
- [Search](/core-resources/data/search.md)
- [Privacy](/core-resources/data/privacy.md)
- [Styles](/core-resources/styles.md): Defining named styles with properties that can be applied to multiple elements.
- [API](/core-resources/api.md): Bubble's API features allow you to set up incoming and outgoing requests to communicate with other applications and services
- [The Bubble API](/core-resources/api/the-bubble-api.md): The Data API allows other systems to search for, read, create, modify and delete data in your application’s database via a RESTful interface.
- [The Data API](/core-resources/api/the-bubble-api/the-data-api.md): The Data API allows other systems to search for, read, create, modify and delete data in your application’s database via a RESTful interface.
- [Authentication](/core-resources/api/the-bubble-api/the-data-api/authentication.md): This reference entry covers how to authenticate with  the Bubble Data API
- [Data API endpoints](/core-resources/api/the-bubble-api/the-data-api/data-api-endpoints.md): This section describes how to identify the correct endpoints when using the Data API
- [Data API requests](/core-resources/api/the-bubble-api/the-data-api/data-api-requests.md): The different resources availabe in the Bubble Data API.
- [The Workflow API](/core-resources/api/the-bubble-api/the-workflow-api.md): The Workflow API lets you set up server-side workflows that can be scheduled in your app or triggered from an external application.
- [The API Connector](/core-resources/api/the-api-connector.md): The API Connector allows you to set up connections to external APIs from your Bubble application.
- [Authentication](/core-resources/api/the-api-connector/authentication.md): The API Connector supports a range of different authentication methods.
- [Adding calls](/core-resources/api/the-api-connector/adding-calls.md): After authentication is set up, you can add as many calls as you need to the API provider.
- [Bubble-made Plugins](/core-resources/bubble-made-plugins.md)
- [AddtoAny Share Buttons](/core-resources/bubble-made-plugins/addtoany-share-buttons.md)
- [Airtable](/core-resources/bubble-made-plugins/airtable.md)
- [API Connector](/core-resources/bubble-made-plugins/api-connector.md)
- [Blockspring](/core-resources/bubble-made-plugins/blockspring.md)
- [Box](/core-resources/bubble-made-plugins/box.md)
- [Braintree](/core-resources/bubble-made-plugins/braintree.md)
- [Bubble App Connector](/core-resources/bubble-made-plugins/bubble-app-connector.md)
- [Chart.js](/core-resources/bubble-made-plugins/chart.js.md)
- [Circle Music Player](/core-resources/bubble-made-plugins/circle-music-player.md)
- [Draggable Elements](/core-resources/bubble-made-plugins/draggable-ui-elements.md)
- [Dropzone](/core-resources/bubble-made-plugins/dropzone.md)
- [Facebook](/core-resources/bubble-made-plugins/facebook.md)
- [Fitbit](/core-resources/bubble-made-plugins/fitbit.md)
- [Full Calendar](/core-resources/bubble-made-plugins/full-calendar.md)
- [Google](/core-resources/bubble-made-plugins/google.md)
- [Google Analytics](/core-resources/bubble-made-plugins/google-analytics.md)
- [Google Optimize](/core-resources/bubble-made-plugins/google-optimize.md)
- [Google Places](/core-resources/bubble-made-plugins/google-places.md)
- [Ionic Elements](/core-resources/bubble-made-plugins/ionic-elements.md)
- [iTunes](/core-resources/bubble-made-plugins/itunes.md)
- [Slidebar Menu](/core-resources/bubble-made-plugins/slidebar-menu.md)
- [LinkedIn](/core-resources/bubble-made-plugins/linkedin.md)
- [Localize Translation](/core-resources/bubble-made-plugins/localize-translation.md)
- [Mixpanel](/core-resources/bubble-made-plugins/mixpanel.md)
- [Mouse & Keyboard Interactions](/core-resources/bubble-made-plugins/mouse-and-keyboard-interactions.md)
- [Multiselect Dropdown](/core-resources/bubble-made-plugins/multiselect-dropdown.md)
- [Progress Bar](/core-resources/bubble-made-plugins/progress-bar.md)
- [Rich Text Editor](/core-resources/bubble-made-plugins/rich-text-editor.md)
- [Rich Text Editor (Legacy)](/core-resources/bubble-made-plugins/rich-text-editor-legacy.md)
- [Screenshotlayer](/core-resources/bubble-made-plugins/screenshotlayer.md)
- [SelectPDF](/core-resources/bubble-made-plugins/selectpdf.md)
- [Slack](/core-resources/bubble-made-plugins/slack.md)
- [Segment](/core-resources/bubble-made-plugins/segment.md)
- [Slick Slideshow](/core-resources/bubble-made-plugins/slick-slideshow.md)
- [SQL Database Connector](/core-resources/bubble-made-plugins/sql-database-connector.md)
- [Star Rating](/core-resources/bubble-made-plugins/star-rating.md)
- [Stripe](/core-resources/bubble-made-plugins/stripe.md)
- [Tinder-like Element](/core-resources/bubble-made-plugins/tinder-like-element.md)
- [Twitter](/core-resources/bubble-made-plugins/twitter.md)
- [YouTube](/core-resources/bubble-made-plugins/youtube.md)
- [Zapier](/core-resources/bubble-made-plugins/zapier.md)
- [Application Settings](/core-resources/application-settings.md): General application settings by tab.
- [My plan](/core-resources/application-settings/app-plan.md)
- [General](/core-resources/application-settings/general.md): General Bubble settings.
- [Domain / email](/core-resources/application-settings/domain-email.md)
- [Languages](/core-resources/application-settings/languages.md): Translating your app's text strings and error messages into different languages.
- [SEO / metatags](/core-resources/application-settings/seo-metatags.md)
- [API](/core-resources/application-settings/api.md)
- [Collaboration](/core-resources/application-settings/collaboration.md): Adding collaborators in your app to speed up development.
- [Sub-apps](/core-resources/application-settings/sub-apps.md)
- [Versions](/core-resources/application-settings/versions.md)