## Retrieve information about all schemas on a zone

`client.APIGateway.UserSchemas.List(ctx, params) (*V4PagePaginationArray[OldPublicSchema], error)`

**get** `/zones/{zone_id}/api_gateway/user_schemas`

Lists all OpenAPI schemas uploaded to API Shield for the zone, including their validation status and associated operations.

### Parameters

- `params UserSchemaListParams`

  - `ZoneID param.Field[string]`

    Path param: Identifier.

  - `OmitSource param.Field[bool]`

    Query param: Omit the source-files of schemas and only retrieve their meta-data.

  - `Page param.Field[int64]`

    Query param: Page number of paginated results.

  - `PerPage param.Field[int64]`

    Query param: Maximum number of results per page.

  - `ValidationEnabled param.Field[bool]`

    Query param: Flag whether schema is enabled for validation.

### Returns

- `type OldPublicSchema struct{…}`

  - `CreatedAt Time`

  - `Kind OldPublicSchemaKind`

    Kind of schema

    - `const OldPublicSchemaKindOpenAPIV3 OldPublicSchemaKind = "openapi_v3"`

  - `Name string`

    Name of the schema

  - `SchemaID string`

    UUID.

  - `Source string`

    Source of the schema

  - `ValidationEnabled bool`

    Flag whether schema is enabled for validation.

### Example

```go
package main

import (
  "context"
  "fmt"

  "github.com/cloudflare/cloudflare-go"
  "github.com/cloudflare/cloudflare-go/api_gateway"
  "github.com/cloudflare/cloudflare-go/option"
)

func main() {
  client := cloudflare.NewClient(
    option.WithAPIToken("Sn3lZJTBX6kkg7OdcBUAxOO963GEIyGQqnFTOFYY"),
  )
  page, err := client.APIGateway.UserSchemas.List(context.TODO(), api_gateway.UserSchemaListParams{
    ZoneID: cloudflare.F("023e105f4ecef8ad9ca31a8372d0c353"),
  })
  if err != nil {
    panic(err.Error())
  }
  fmt.Printf("%+v\n", page)
}
```

#### Response

```json
{
  "errors": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "messages": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "result": [
    {
      "created_at": "2014-01-01T05:20:00.12345Z",
      "kind": "openapi_v3",
      "name": "petstore schema",
      "schema_id": "f174e90a-fafe-4643-bbbc-4a0ed4fc8415",
      "source": "<schema file bytes>",
      "validation_enabled": true
    }
  ],
  "success": true,
  "result_info": {
    "count": 1,
    "page": 1,
    "per_page": 20,
    "total_count": 2000,
    "total_pages": 100
  }
}
```