=treeitem title="A template that represents a single runtime log entry." href=/v1.12/zh/docs/reference/config/policy-and-telemetry/templates/logentry/>Log Entry</a></li><li role=none><a role=treeitem title="A template that represents an individual span within a distributed trace." href=/v1.12/zh/docs/reference/config/policy-and-telemetry/templates/tracespan/>Trace Span</a></li><li role=none><a role=treeitem title="A template that carries no data, useful for testing." href=/v1.12/zh/docs/reference/config/pol