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Learn when to use ServiceNow Flow Designer or Business Rules for automation, validation, record processing, approvals, reusable logic, and maintainable workflows.

Learn how ServiceNow GlideAjax lets Client Scripts call server-side Script Includes asynchronously, pass parameters, return JSON, and avoid common performance mistakes.

Learn how ServiceNow ACLs secure tables, records, and fields using roles, conditions, scripts, inheritance, wildcard rules, and practical access-control patterns.

Learn how ServiceNow Script Includes organize reusable server-side logic, reduce duplicated code, work with GlideRecord, and support GlideAjax client calls.

Learn how to use ServiceNow GlideRecord for server-side queries, filters, updates, inserts, reference fields, encoded queries, and performance-friendly scripting.

Learn the difference between ServiceNow Client Scripts and Business Rules, when to use each, common mistakes, performance considerations, and practical examples.

Learn how to build an ECS inventory and equipment architecture with item definitions, pickups, equipment slots, item use, quickbars, events, and stat modifiers.

Build an RPG stats system in ECS using BaseStats, FinalStats, equipment modifiers, and a StatsSystem that keeps derived combat values predictable.

Learn how to organize an ECS game engine with separate folders for core ECS code, components, systems, events, factories, data definitions, UI, and game-specific logic.

Learn why ECS components should stay data-focused, how logic-heavy components create coupling, and why systems are a better place for gameplay behaviour.

Learn how ECS queries find entities by component combinations, why queries are central to system design, and how cached queries can improve performance.

Learn how to use an Event Bus in ECS to decouple systems, model gameplay requests and outcomes, and avoid tightly coupled system-to-system calls.