Add the force:appHostable interface to an Aura component to allow it to be used as a custom tab in Lightning Experience, the Salesforce mobile app, and Salesforce mobile web.
Make your Aura components available for Lightning Experience users on desktop and in the Salesforce mobile app by displaying them in a custom tab in a Lightning Experience app.
Add the force:lightningQuickAction or force:lightningQuickActionWithoutHeader interface to an Aura component to enable it to be used as a custom action in Lightning Experience or the Salesforce mobile app. You can use components that implement one of these interfaces as object-specific or global actions in both Lightning Experience and the Salesforce mobile app.
Add the force:hasRecordId interface to an Aura component to enable the component to be assigned the ID of the current record. The current record ID is useful if the component is used on a Lightning record page, as an object-specific custom action or action override in Lightning Experience or the Salesforce app, and so on.
In a custom component, create a button to launch the email composer with pre-populated content. To launch a record create a page with pre-populated field values, use the lightning:pageReferenceUtils and lightning:navigation components together.
Add the lightning:actionOverride interface to an Aura component to enable the component to be used to override a standard action on an object. You can override standard actions on most standard and all custom components. Overriding standard actions allows you to customize your org using Lightning components, including completely customizing the way you view, create, and edit records.
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