Tracing

Function Description Meta

Function	Description	Meta
`trace`	`result := trace(note)` Emits `note` as a `Note` event in the query explanation. Query explanations show the exact expressions evaluated by OPA during policy execution. For example, `trace("Hello There!")` includes `Note "Hello There!"` in the query explanation. To include variables in the message, use `sprintf`. For example, `person := "Bob"; trace(sprintf("Hello There! %v", [person]))` will emit `Note "Hello There! Bob"` inside of the explanation. Arguments: `note` (string) the note to include Returns: `result` (boolean) always `true`	SDK-dependent

`trace`

result := trace(note)

Emits note as a Note event in the query explanation. Query explanations show the exact expressions evaluated by OPA during policy execution. For example, trace("Hello There!") includes Note "Hello There!" in the query explanation. To include variables in the message, use sprintf. For example, person := "Bob"; trace(sprintf("Hello There! %v", [person])) will emit Note "Hello There! Bob" inside of the explanation.

Arguments:

note (string)

the note to include

Returns:

result (boolean)

always true

SDK-dependent

See also: Debugging for notes and examples of the related print function.

trace​

`trace`