WorkerQueryTracingItem is a datatype for a key being traced by worker query tracing.

This datatype is used by the datatype, WorkerQueryTracingState, which is used by the workerQueryTracingState() query field.

Table: WorkerQueryTracingItem

ParameterTypeRequiredDefaultStabilityDescription
Some input parameters may be required, as indicated in the Required column. For return values, this indicates that you are assured a value if the field is requested for the results.
Table last updated: Oct 12, 2026
expiryLongyes Short-TermWhen the tracing item expires.
keyStringyes Short-TermThe key used.