Salesforce Platform App Builder Certification Training - Package or Custom Lightning Component

The video tutorial explains the concept of packages, which are collections of components or applications used to distribute apps to users. It distinguishes between unmanaged and managed packages, highlighting their uses and features. Unmanaged packages are for open-source applications, while managed packages are for selling apps through AppExchange, offering upgradeability and license management. The tutorial also covers creating custom applications and the process of installing packages from AppExchange, emphasizing testing in a sandbox before production deployment.

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