Can modifying $causedBy cause issues?

[seanppayne]

Right now we are including metadata when appending an event

CausedBy  string `json:"$causedBy"`

With a field like this. If we are modifying these $ system fields ourselves, would that potentially cause issues?

Thank you for your time.

[w1am]

It is discouraged to use custom metadata fields with the $ prefix. If your intention is to add tracing information, it’s best to use a distributed tracing solution to achieve observability.