# Hello World [ WIP ] This demo verifies the NodeJS Agent automatically create trace segment. ## Generated Segments ### ServerB Here is generated segments by ServerB. ```json [ { "traceSegmentId": "", "span": [ { "operationName": "MySQL/query", "spanId": 0, "parentSpanId": -1 } ] }, { "traceSegmentId": "", "span": [ { "operationName": "MySQL/query", "spanId": 0, "parentSpanId": -1 } ] }, { "traceSegmentId": "", "span": [ { "operationName": "MySQL/query", "spanId": 0, "parentSpanId": -1 } ] } ] ```