Answer
An attribute is metadata applied to program elements like classes, methods, or properties.
It helps frameworks control behavior at compile time or runtime.
Quick Answer
Attributes are metadata tags you attach to classes, methods, or properties using [AttributeName]. Frameworks read them at runtime via reflection to change behavior. Examples: [Required] for validation, [HttpGet] for routing, [Obsolete] to warn callers. You can also write custom attributes.
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SugharaIQ Editorial Team
Verified Answer
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Source: SugharaIQ