Queueable apex is an asynchronous apex method. It’s similar to the @future method. By using this queueable interface, we can process an Apex that runs for a long time (such as web service call outs and extensive database operations). The job isadded to Apex job queue. System. en-queue Job method returns the job id; so, we can easily monitor its progress, either through the Salesforce training UI in the Apex Jobs page, or by querying the record using AsyncApexJob object. Benefits of Queueable Apex: 1. Queueable apex supports the Non-primitive type member variables, such as SObject or custom apex types. 2. Systematization method returns the AsyncApexJob record id. Use this id to find your job and Monitor its pro...