UpsertExternalSchemaInput

"""Input for creating or updating an external schema"""
input UpsertExternalSchemaInput {
  """ID for update; omit for create"""
  id: ExternalSchemaID
  """Schema name (required)"""
  name: String!
  """Optional description"""
  description: String
  """Schema format (required)"""
  format: ExternalSchemaFormat!
  """Raw schema content (JSON or YAML)"""
  sourceText: String!
}