@microsoft/fast-foundation > DesignSystemRegistrationContext > tryDefineElement
DesignSystemRegistrationContext.tryDefineElement() method
Warning: This API is now obsolete.
- Use the signature with the ElementDefinitionParams param type instead
Used to attempt to define a custom element.
Signature:tryDefineElement(name: string, type: Constructable, callback: ElementDefinitionCallback): void;
Parameters
| Parameter | Type | Description |
|---|---|---|
| name | string | The name of the element to define. |
| type | Constructable | The type of the constructor to use to define the element. |
| callback | ElementDefinitionCallback | A callback to invoke if definition will happen. |
void