type

MassAttr

MassAttr : NumberAttr

Attribute with a number value with mass (weight) unit

 subtypes WeightAttr meta abstract✓ slots id

Unique identifier for entity in its project

 spec

Type of this entity

 attr

Required marker tag for all attributes

 val

Number value of the attribute

 val Number <quantity:mass>

Number value of the attribute

 Haxall 4.0.6 ∙ 21-Jul-2026 09:48 EDT