# Breakdown

> Skill for the Breakdown area of metrics-drilldown. 15 symbols across 9 files.

- Skill: `grafana/breakdown` (Agent Skill)
- Install (CLI): `npx skillmds@latest add grafana/breakdown`
- Raw SKILL.md: https://api.skillmd.com/api/skills/grafana/breakdown/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: grafana (https://skillmd.com/u/grafana)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/grafana/breakdown

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# Breakdown

15 symbols | 9 files | Cohesion: 65%

## When to Use

- Working with code in `src/`
- Understanding how isQueryVariable, getPanelTypeForMetric, getMetricType work
- Modifying breakdown-related functionality

## Key Files

| File                                                                        | Symbols                                                    |
| --------------------------------------------------------------------------- | ---------------------------------------------------------- |
| `src/MetricScene/Breakdown/LabelBreakdownScene.tsx`                         | onActivate, getVariable, updateBody                        |
| `src/MetricScene/Breakdown/GroupByVariable.tsx`                             | GroupByOptionsLoadedEvent, onActivate, filterOptions       |
| `src/AppDataTrail/DataTrail.tsx`                                            | getMetadataForMetric, addFilterWithoutReportingInteraction |
| `src/shared/utils/utils.variables.ts`                                       | isQueryVariable, isAdHocFiltersVariable                    |
| `src/shared/GmdVizPanel/matchers/getPanelTypeForMetric.ts`                  | getPanelTypeForMetric                                      |
| `src/shared/GmdVizPanel/matchers/getMetricType.ts`                          | getMetricType                                              |
| `src/MetricScene/Breakdown/MetricLabelsList/MetricLabelsList.tsx`           | MetricLabelsList                                           |
| `src/MetricScene/Breakdown/MetricLabelValuesList/MetricLabelValuesList.tsx` | MetricLabelValuesList                                      |
| `src/AppDataTrail/DataTrail.test.tsx`                                       | getFilterVar                                               |

## Entry Points

Start here when exploring this area:

- **`isQueryVariable`** (Function) — `src/shared/utils/utils.variables.ts:20`
- **`getPanelTypeForMetric`** (Function) — `src/shared/GmdVizPanel/matchers/getPanelTypeForMetric.ts:9`
- **`getMetricType`** (Function) — `src/shared/GmdVizPanel/matchers/getMetricType.ts:22`
- **`isAdHocFiltersVariable`** (Function) — `src/shared/utils/utils.variables.ts:12`
- **`MetricLabelsList`** (Class) — `src/MetricScene/Breakdown/MetricLabelsList/MetricLabelsList.tsx:80`

## Key Symbols

| Symbol                                 | Type     | File                                                                        | Line |
| -------------------------------------- | -------- | --------------------------------------------------------------------------- | ---- |
| `MetricLabelsList`                     | Class    | `src/MetricScene/Breakdown/MetricLabelsList/MetricLabelsList.tsx`           | 80   |
| `MetricLabelValuesList`                | Class    | `src/MetricScene/Breakdown/MetricLabelValuesList/MetricLabelValuesList.tsx` | 53   |
| `GroupByOptionsLoadedEvent`            | Class    | `src/MetricScene/Breakdown/GroupByVariable.tsx`                             | 19   |
| `isQueryVariable`                      | Function | `src/shared/utils/utils.variables.ts`                                       | 20   |
| `getPanelTypeForMetric`                | Function | `src/shared/GmdVizPanel/matchers/getPanelTypeForMetric.ts`                  | 9    |
| `getMetricType`                        | Function | `src/shared/GmdVizPanel/matchers/getMetricType.ts`                          | 22   |
| `isAdHocFiltersVariable`               | Function | `src/shared/utils/utils.variables.ts`                                       | 12   |
| `getMetadataForMetric`                 | Method   | `src/AppDataTrail/DataTrail.tsx`                                            | 353  |
| `onActivate`                           | Method   | `src/MetricScene/Breakdown/LabelBreakdownScene.tsx`                         | 43   |
| `getVariable`                          | Method   | `src/MetricScene/Breakdown/LabelBreakdownScene.tsx`                         | 61   |
| `updateBody`                           | Method   | `src/MetricScene/Breakdown/LabelBreakdownScene.tsx`                         | 69   |
| `addFilterWithoutReportingInteraction` | Method   | `src/AppDataTrail/DataTrail.tsx`                                            | 342  |
| `onActivate`                           | Method   | `src/MetricScene/Breakdown/GroupByVariable.tsx`                             | 39   |
| `filterOptions`                        | Method   | `src/MetricScene/Breakdown/GroupByVariable.tsx`                             | 74   |
| `getFilterVar`                         | Function | `src/AppDataTrail/DataTrail.test.tsx`                                       | 16   |

## Execution Flows

| Flow                                       | Type            | Steps |
| ------------------------------------------ | --------------- | ----- |
| `OnActivate → GetTrackedFlagPayload`       | cross_community | 5     |
| `OnActivate → GetMetricTypeSync`           | cross_community | 5     |
| `OnActivate → GetMetadataForMetric`        | cross_community | 5     |
| `OnActivate → IsAdHocFiltersVariable`      | cross_community | 4     |
| `MetricFindQuery → IsAdHocFiltersVariable` | cross_community | 4     |
| `OnActivate → GetMetricTypeSync`           | cross_community | 4     |
| `OnActivate → GetMetadataForMetric`        | cross_community | 4     |
| `OnActivate → GetMetricTypeSync`           | cross_community | 4     |
| `OnActivate → GetMetadataForMetric`        | intra_community | 4     |

## Connected Areas

| Area             | Connections |
| ---------------- | ----------- |
| Matchers         | 1 calls     |
| MetricLabelsList | 1 calls     |
| RelatedMetrics   | 1 calls     |
| QuickSearch      | 1 calls     |

## How to Explore

1. `gitnexus_context({name: "isQueryVariable"})` — see callers and callees
2. `gitnexus_query({query: "breakdown"})` — find related execution flows
3. Read key files listed above for implementation details