Sets the next billing date of a Subscription Contract. This field is managed by the apps.
Alternatively you can utilize our
[Billing Cycles APIs](https://shopify.dev/docs/apps/selling-strategies/subscriptions/billing-cycles),
which provide auto-computed billing dates and additional functionalities.
Access Scopes
`write_own_subscription_contracts` access scope. Also: The user must have manage_orders_information permission.
Arguments
contractId:
ID! -
The gid of the Subscription Contract to set the next billing date for.