---
source: apollo-router/src/plugins/telemetry/config_new/instruments.rs
description: Query Height histogram with value from context
expression: "&metrics.all()"
info:
  telemetry:
    instrumentation:
      instruments:
        supergraph:
          query.height:
            description: The height of the query
            value:
              query: height
            unit: unit
            type: histogram
---
- name: query.height
  description: The height of the query
  unit: unit
  data:
    datapoints:
      - sum: 3
        count: 1
        attributes: {}
