SysML/SysPhS-1.1: Anonymous Property or Action names may not be an option if: You are exporting to Modelica or Simulink; You absolutely need names for generated query reports (such as generated Interface Control Documents).

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Note kind
CONVENTION
MODELLING
NAMING
Policy level
INFORMATIVE
UML keywords
NamedElement::name
NamedElement
Property
Action
Port
SysMLv1.x keywords
"standard" Port
block property
part property
reference property
Keywords
Relates to
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[NAMING, POLICY, STYLE] "Trust the Port or Pin Type!" - Often the name of the Type of an anonymous Port or Pin is completely sufficient to indicate its role, unless a clear indication of its direction or unique role is required.
[CONVENTION, NAMING, STYLE]{STRONG} FlowProperty naming. Use anonymous or just 'i' for in, 'o' for out, and 'io' for inout. "Trust the Type". For conjugation ~InterfaceBlock use 'o' for in, 'i' for out, and 'oi' for inout.
[NAMING, POLICY]{STRONG} Prefer anonymous Actions, or if they must be named, prefer code-like 'lowerCamelCase' or completely 'lower case' (if you do absolutely insist on having spaces in action names, but please no other punctuation).
[NAMING, POLICY]{STRICT} SysML: Naming: Always use either anonymous or first letter lower case for Property, ObjectNode and InstanceSpecification names; no exceptions (unless using names to "quote text")! Valid: 'lowerCamelCase' OR 'tla' vs TLA acronym OR 'uCC' vs UpperCamelCase
[NAMING, POLICY, STYLE]{STRONG} SysML: Webel: "Trust the Type!" - Often the name of the Type of an anonymous Property or instance-level element is completely sufficient to indicate its role - unless multiple Properties of the same Type have different roles within the same owner context!
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