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title: Before Loading Resources
collection: developer
version: current
locale: en-us
portal_url: https://docs.salesforce.com/developer/current/en-us/lightning-base-components/lightning-design-system/guides/aura/components/ltng/beforeLoadingResources/ltng-before-loading-resources.md
canonical_url: https://developer.salesforce.com/docs/platform/lightning-component-reference/guide/ltng-before-loading-resources.html
source_site: developer.salesforce.com
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products:
  - Lightning Component Reference
---
# Before Loading Resources

**`ltng:beforeLoadingResources`**

Fired before [`ltng:require`](/docs/platform/lightning-component-reference/guide/ltng-require.html) attempts to load the requested resources.

**For Use In**

Lightning Experience, Experience Builder Sites, Salesforce Mobile App, Lightning Out (Beta), Standalone Lightning App

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For more information, see the [`ltng:require` documentation](/docs/platform/lightning-component-reference/guide/ltng-require.html).


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![No specifications to show](https://developer.salesforce.com/media/no-specs.png)


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