{"source":"semconv","version":"1.44.0","attribute":{"id":"zos.smf.id","type":"string","stability":"development","brief":"The System Management Facility (SMF) Identifier uniquely identified a z/OS system within a SYSPLEX or mainframe environment and is used for system and performance analysis.","examples":["SYS1"],"namespace":"zos","definedIn":"model/zos/registry.yaml","usedBy":[{"groupId":"entity.zos.software","groupType":"entity","signalName":"zos.software","requirementLevel":"required"}]},"history":[{"version":"1.35.0","publishedAt":"2025-06-30T20:02:16Z","kind":"first-seen","detail":"Added as development.","severity":"informational"}],"replaces":[]}