# Procure to Pay - Mismatched Documents & Vendor Spend

Identifies any mismatched purchase orders and invoices among your listings and orders your top ten vendors by spend amount.

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### Input Requirements

* An invoice listing file sourced from your ERP system (SAP, Oracle, Microsoft Dynamics, etc.).
* A purchase order listing file sourced from your ERP system (SAP, Oracle, Microsoft Dynamics, etc.).
* [Parameters](https://docs.auditboardanalytics.com/workflows/parameters)
  1. [File Input Parameters](https://docs.auditboardanalytics.com/workflows/parameters/file-input-parameters)

### Output Expectations

* A population of purchase orders with no matching invoice identified for follow up.&#x20;
* A population of invoices with no matching purchase order identified for follow up.
* A top ten listing of vendors ordered by spend amount.&#x20;