Packages > @fluidframework/map > IValueChanged
IValueChanged Interface
Type of “valueChanged” event parameter.
This API is provided for existing users, but is not recommended for new users.
To use, import via @fluidframework/map/legacy.
For more information about our API support guarantees, see here .
Signature
/** @sealed */
export interface IValueChanged
Properties
| Property | Modifiers | Type | Description |
|---|---|---|---|
| key |
readonly
|
string | The key storing the value that changed. |
| previousValue |
readonly
|
any | The value that was stored at the key prior to the change. |
Property Details
key
The key storing the value that changed.
Signature
readonly key: string;
Type: string
previousValue
The value that was stored at the key prior to the change.
Signature
readonly previousValue: any;
Type: any