---
title: needsMoreThreshold
framework: tvml
role: article
role_heading: Article
path: tvml/needsmorethreshold
---

# needsMoreThreshold

Sets the amount of remaining screen lengths before firing the needs more event.

## Overview

Overview Use the needsMoreThreshold attribute to specify when the needs more event is dispatched. When the designated threshold is met, the needs more event requests more data. Here’s an example that dispatches the needs more event when there are fewer than two screen lengths of information in the shelf to display. <shelf needsMoreThreshold="2"> Values for needsMoreThreshold Elements that Use needsMoreThreshold grid shelf stackTemplate

## See Also

### Binding and DOM Manipulation

- [binding](tvml/binding.md)
- [itemID](tvml/itemid.md)
- [prototype](tvml/prototype.md)