[Home](./index.md) > [@datashaper/schema](./schema.md) > [ResourceSchema](./schema.resourceschema.md) > [rel](./schema.resourceschema.rel.md) ## ResourceSchema.rel property The relationship of this resource to the parent resource. Note: If the resource is a profile-free reference object (e.g. { "rel": "input", "path": "path/to/datatable.json" }, Then the relationship is \_external\_ the target resource and should not be persisted in the object ) Signature: ```typescript rel?: Rel | string; ```