Blocks may also specify operations or other features that describe the behavior of a system Source OMG Systems Modeling Language (SysML) 1.6
Each block defines a collection of features to describe a system or other element of interest. These may include both structural and behavioral features, such as properties and operations, to represent the state of the system and behavior ... Source OMG Systems Modeling Language (SysML) 1.6
TestCase and Verify metamodel Gallery Tutorial TRAIL: Webel's ultimate guide to Systems Modeling Language (v1) with MagicDraw/Cameo Section 16:01: Requirements engineering in SysML Slide kind UML diagram UML Profile Diagram
Directed features can appear in compartments for the various kinds of properties and behavioral features. Source OMG Systems Modeling Language (SysML) 1.6
Provided behavioral features are invoked with the owning block as target, while required behavioral features are invoked with an external block as target (required). Source OMG Systems Modeling Language (SysML) 1.6
Using non-flow properties means to read or write them, and using behavioral features means to invoke them. Source OMG Systems Modeling Language (SysML) 1.6
In addition, behavior allocation may also include the allocation of Behaviors to BehavioralFeatures of Blocks (e.g., Operations). Source OMG Systems Modeling Language (SysML) 1.6
MagicDraw/Cameo 19SP3: Does not yet handle Feature-wise validation of provided/required DirectedFeature contracts (it only handles them at the level of entire Block types). Webel asserts the spec is inconsistent w.r.t. ProxyPort connection compatibility.
SysMLv1.6 Provided/required DirectedFeature contracts for ProxyPorts SHOULD be satisfiable Feature-wise (including as subsets of Features) not necessarily just at the level of entire Blocks (types)! [See also the SysMLv1.7 spec changes.] ARCHIVAL (2022): This content is now considered historical only!
Features represent structural and behavioral characteristics of Classifiers. Source Unified Modeling Language 2.5.1
