The four UML interaction lifecycle markers in one short diagram — a create message draws its arrow to the new participant's box, a found message starts from a filled circle, a lost message ends at one, and destroy terminates a lifeline with an ✕.
Tipo Diagrama de sequênciaNorma OMG UML 2.5.1 §17 (Interactions)Mecanismo schematex-sequenceAtualizado 26/05/2026