# Monitor PCGS population report changes

**Use case:** 

Schedule recurring runs to track certified-pop and total changes per coin over time — timestamped CSV/JSON for trend analysis.

## Input

```json
{
  "popUrls": [
    "https://www.pcgs.com/pop/detail/buffalo-nickel-1913-1938/83"
  ],
  "searchTerm": "morgan dollar",
  "gradeTab": "3",
  "maxRecords": 25,
  "apiGradeNo": 65,
  "apiPlusGrade": false,
  "proxyConfiguration": {
    "useApifyProxy": true
  },
  "requestDelayMs": 800,
  "diagnose": false
}
```

## Output

```json
{
  "pcgs_no": {
    "label": "PCGS #",
    "format": "string"
  },
  "description": {
    "label": "Coin",
    "format": "string"
  },
  "designation": {
    "label": "Desig",
    "format": "string"
  },
  "total": {
    "label": "Total pop",
    "format": "integer"
  },
  "series_name": {
    "label": "Series",
    "format": "string"
  },
  "section_title": {
    "label": "Section",
    "format": "string"
  },
  "grade_tab": {
    "label": "Grade band",
    "format": "string"
  },
  "coinfacts_url": {
    "label": "CoinFacts",
    "format": "string"
  }
}
```

## About this Actor

This example demonstrates how to use [PCGS Population Report Scraper — Coin Pops, Grades & Totals](https://apify.com/scrapersdelight/pcgs-pop-scraper) with a specific input configuration. Visit the [Actor detail page](https://apify.com/scrapersdelight/pcgs-pop-scraper) to learn more, explore other use cases, and run it yourself.