How can i add a custom Id to es with Serilog.Sinks.Elasticsearch

[PostiveOrs]

now i have a demand，i need add a consuom id to es with Serilog.Sinks.Elasticsearch when it write log to es ,so I've tried many ways to do this ,but it still doesn't work

Does this issue relate to a new feature or an existing bug?

• Bug
• [ √] New Feature

What version of Serilog.Sinks.Elasticsearch is affected? Please list the related NuGet package.
Serilog.Sinks.Elasticsearch, Version=9.0.3.0

What is the target framework and operating system? See target frameworks & net standard matrix.

• [ √] netCore6.0
• netCore 2.0
• netCore 1.0
• 4.7
• 4.6.x
• 4.5.x

Please describe the current behavior?

Please describe the expected behavior?

If the current behavior is a bug, please provide the steps to reproduce the issue and if possible a minimal demo of the problem