How to use FilterGroup in AL Language Business Central

Описание: *Master FILTERGROUP in AL – Control Your Filters Like a Pro! 🔍⚙️*

In this *Technical Series* episode, we go deep into one of the most powerful (and misunderstood) features in AL: **FILTERGROUP**. You’ll learn how to isolate, combine, and override filters safely so your pages, reports, and APIs behave exactly as expected.

*What you’ll learn:*
What *FILTERGROUP* is and why Business Central uses different groups
Default filter groups used by pages, Req. Worksheet, FlowFields, and security
How to set, clear, and restore filter groups in a safe pattern
When to use groups *0, 2, 4, 5, 7, 8, 9* in real projects
How FILTERGROUP affects *SETFILTER, SETRANGE, COPYFILTERS, FIND, CALCSUMS*

*Code demos included:*
User filters vs. system filters – keeping them separate
Applying *background filters* that users can’t accidentally remove
Using FILTERGROUP for *dimension filters* and *FlowFilters*
Building role‑specific filters (e.g., show only “my” customers or orders)
Correct pattern to *temporarily switch* group, run logic, and revert back
Sample AL project with all FILTERGROUP examples
Cheat sheet: filter groups and recommended usages
Troubleshooting checklist for “filters not working” issues

*Part of #BizCentralOrbit Technical Series – AL for Business Central*
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