# Usage Distribution Histogram

The User Distribution Histogram report consists of three histograms which show the following metrics:
- Active Days—The number of days clients were active within the specified date range.
- Sessions—The number of times users launched your application.
- Runtime—The total amount of time in hours users spent interacting with your application.

Endpoint: POST /v3/reporting/engagement/usageDistribution/{product_id}
Version: 3.0.0

## Header parameters:

  - `Content-Type` (string)
    Example: "application/json"

  - `RUI-Client` (string)
    Example: "Postman"

  - `RUI-Client-Version` (string)
    Example: "0.0.1"

  - `Origin` (string)
    Example: "https://analytics.revenera.com"

## Path parameters:

  - `product_id` (string, required)