https://www.elastic.co/docs/reference/apm/agents/nodejs/upgrade-to-v4
Upgrade to v4.x | APM Node.js agent
The following is a guide on upgrading your usage of the Elastic APM Node.js agent (elastic-apm-node) from version 3.x to version 4.x. Version 4.x of...
upgrade to v4node jsxapmagent