Directives are used by the GraphQL runtime as a way of modifying execution behavior. Type system creators will usually not create these directly.

Constant string used for default reason for a deprecation.

Used to declare element of a GraphQL schema as deprecated.

Used to conditionally include fields or fragments.

Used to conditionally skip (exclude) fields or fragments.

The full list of specified directives.

Test if the given value is a GraphQL directive.