* The

checkAllTenants

method is available in the Node.js SDK. Based on the source code, it returns an array of

TenantDetails

representing all tenants where the user has the specified permission:

public async checkAllTenants(
  user: IUser | string,
  action: string,
  resource: IResource | string,
  context?: Context | undefined,
  sdk?: string | undefined,
) : Promise<TenantDetails[]>

(1) I don't see any indication that this method is deprecated in the available sources. ​*Regarding cross-tenant resource instance access:*​ The standard multi-tenant design in Permit.io scopes resource instances to specific tenants for isolation purposes. When creating resource instances, they are typically linked to a tenant (2) :

await permit.api.resourceInstances.create({
  key: 'order_456',
  resource: 'Order',
  attributes: { fulfilled: false, delivered: false },
  tenant: 'California'
}) ;

For your use case of sharing resource instances across tenants, I don't have explicit documentation on a built-in method for cross-tenant resource sharing. This is a more advanced scenario that may require a different modeling approach. I'd recommend reaching out via Email to discuss your specific architecture needs for cross-tenant resource sharing. Would you like me to try to provide a general answer based on authorization patterns, or do you have additional context about your use case?

To learn more, see the sources I considered: [[1] https://github.com/permitio/permit-node/blob/main/src](https://github.com/permitio/permit-node/blob/main/src) [[2] Implementing Fine-Grained Nuxt Authorization](https://www.permit.io/blog/implementing-fine-grained-nuxt-authorization)

Thanks for the feedback, glad I was helpful.