# Hooks API reference

Access our API reference for common props for all extensions.

**Common props for all extensions**

```ts
export interface ExtensionPropsBase {
  context: {
    project: {
      id: string;
      name: string;
      mgmtApi: string;
      mgmtToken: string;
    };
    environment: {
      id: string;
      name: string;
      endpoint: string;
      authToken: string;
    };
  };

  // see `OpenDialog` in "additional types"
  openDialog: OpenDialog;

  // open the asset picker (see the Asset type in your Content Api)
  openAssetPicker: () => Promise<null | (Asset & Record<string, unknown>)>;

  // see `ShowToast` in "additional types"
  showToast: ShowToast;

  // Hygraph internal navigation (without page refresh)
  historyReplace: (url: string | (currentUrl: string) => string) => Promise<void>;
  historyPush: (url: string | (currentUrl: string) => string) => Promise<void>;

  // Redirect the Hygraph app (full redirect to any URL)
  redirectParent: (location: string | Location) => Promise<void>;

}
```