To configure and customize your service plugin, you need to provide important details in the plugin.json configuration 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.