---
id: deprecated
title: deprecated
---

Marks an element of a GraphQL schema as no longer supported.

```graphql
directive @deprecated(
  reason: String = "No longer supported"
) on
  | FIELD_DEFINITION
  | ARGUMENT_DEFINITION
  | INPUT_FIELD_DEFINITION
  | ENUM_VALUE
  | DIRECTIVE_DEFINITION
```

### Arguments

#### [`deprecated.reason`](#reason) · [`String`](/docs/developers/api-reference/booking/v1/types/scalars/string) **scalar** {#reason}

Explains why this element was deprecated, usually also including a suggestion for how to access supported similar data. Formatted using the Markdown syntax, as specified by [CommonMark](https://commonmark.org/).