# Audit Firm Market Share and Mandate Rollup

**Use case:** 

Ready-to-run PCAOB audit firm rollup: issuer mandates held, wins, losses, net change and market share by firm across the full Form AP filing set.

## Input

```json
{
  "mode": "firm-rollup",
  "bankIssuersOnly": false,
  "latestOnly": true,
  "maxResults": 200
}
```

## Output

```json
{
  "issuer_name": {
    "label": "Issuer name",
    "format": "string"
  },
  "issuer_cik": {
    "label": "Issuer CIK",
    "format": "string"
  },
  "audit_firm": {
    "label": "Audit firm",
    "format": "string"
  },
  "prior_audit_firm": {
    "label": "Prior audit firm",
    "format": "string"
  },
  "engagement_partner": {
    "label": "Engagement partner",
    "format": "string"
  },
  "prior_partner": {
    "label": "Prior engagement partner",
    "format": "string"
  },
  "change_type": {
    "label": "Change type",
    "format": "string"
  },
  "prior_source": {
    "label": "Comparison source",
    "format": "string"
  },
  "is_new_since_last_run": {
    "label": "Is new since the last run",
    "format": "boolean"
  },
  "partner_rotation_status": {
    "label": "SOX partner rotation status",
    "format": "string"
  },
  "fiscal_period_end": {
    "label": "Fiscal period end",
    "format": "string"
  },
  "filing_date": {
    "label": "Form AP filing date",
    "format": "string"
  },
  "is_bank_issuer": {
    "label": "Is bank issuer",
    "format": "boolean"
  }
}
```

## About this Actor

This example demonstrates how to use [PCAOB Auditor Change & Engagement Partner Monitor](https://apify.com/malonestar/pcaob-auditor-engagement-monitor) with a specific input configuration. Visit the [Actor detail page](https://apify.com/malonestar/pcaob-auditor-engagement-monitor) to learn more, explore other use cases, and run it yourself.