After the test has been started, and the real-time report is now available, you can copy and paste the Master ID into a document for later use (see below screenshot). This ID will be used as a parameter in the API to identify a specific master of your BlazeMeter test.
Currently, you can find the 'Master ID' in 2 ways,
- In the URL line of your BlazeMeter report:
- If you start a test using API, you will see the Master ID in the response as the "id" key (under "result"):