# billingDuration

Specifies for how long this price (or price component) will be billed. Can be used, for example, to model the contractual duration of a subscription or payment plan. Type can be either a Duration or a Number (in which case the unit of measurement, for example month, is specified by the unitCode property).

## Expected Types

| Type | Description |
|------|-------------|
| [Duration](https://schema.org.ai/Duration) | Quantity: Duration (use [ISO 8601 duration format](http://en.wikipedia.org/wiki/ISO_8601)). |
| [Number](https://schema.org.ai/Number) | Data type: Number. Usage guidelines: Use values from 0123456789 (Unicode 'DIGIT ZERO' (U+0030) to 'DIGIT NINE' (U+0039)) rather than superficially similar Unicode symbols.; Use '.' (Unicode 'FULL STOP' (U+002E)) rather than ',' to indicate a decimal point. Avoid using these symbols as a readability separator. |
| [QuantitativeValue](https://schema.org.ai/QuantitativeValue) | A point value or interval for product characteristics and other purposes. |

## Used on Types

| Type | Description |
|------|-------------|
| [UnitPriceSpecification](https://schema.org.ai/UnitPriceSpecification) | The price asked for a given offer by the respective organization or person. |

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Quoted from Schema.org 30.1, https://schema.org/billingDuration, under CC BY-SA 3.0. Served by the Org.AI Foundation at https://schema.org.ai/billingDuration.