A lead re-engagement trigger is an automated CRM function that activates when a previously inactive lead shows renewed interest. Triggers are based on behavioral signals such as email opens, content downloads, or website visits. Businesses use these triggers to send personalized outreach, retargeting ads, or follow-up calls, ensuring timely re-engagement. AI-driven CRM tools enhance trigger accuracy, helping sales teams prioritize high-intent leads. Implementing effective re-engagement triggers reduces lead abandonment, improves conversion rates, and maximizes the ROI of lead generation efforts.