The JSON object below defines the configuration for this service plugin extension. How you supply values depends on the framework you’re using:
plugin.json file.If you created your service plugin extension with the CLI, required fields are automatically populated for you.
Base part of your integration's deployment URI for the Custom Charges SPI.
For example "https://provider.example.com", if Wix should call your
integration at https://provider.example.com/v1/charge-limit for the
Get Charge Limit method.
Flag that indicates if charges by usages are enabled