## Update RPC Node Flex

`client.RPCNodes.Flex.Update(ctx, nodeID, body) (*Flex, error)`

**patch** `/v1/rpc_nodes/flex/{node_id}`

Update an existing RPC Node Flex

### Parameters

- `nodeID string`

- `body FlexUpdateParams`

  - `Name param.Field[string]`

    Name of the RPC Node Flex.

  - `Tags param.Field[[]string]`

    Tags to attach to the RPC Node Flex (optional, max 50).

### Returns

- `type Flex struct{…}`

  RPC Node Flex details.

  - `ID string`

    Unique identifier for the RPC Node Flex.

  - `Blockchain string`

    Blockchain type.

  - `CreatedAt Time`

    When the RPC Node Flex was created.

  - `Endpoint string`

    RPC endpoint URL.

  - `Name string`

    Name of the RPC Node Flex.

  - `Network string`

    Network type (e.g., mainnet, testnet).

  - `ProjectID string`

    Project identifier associated with the RPC Node Flex.

  - `Tags []string`

    Tags to attach to the RPC Node Flex.

  - `UpdatedAt Time`

    When the RPC Node Flex was updated.

### Example

```go
package main

import (
  "context"
  "fmt"

  "github.com/nirvana-labs/nirvana-go"
  "github.com/nirvana-labs/nirvana-go/option"
  "github.com/nirvana-labs/nirvana-go/rpc_nodes"
)

func main() {
  client := nirvana.NewClient(
    option.WithAPIKey("My API Key"),
  )
  flex, err := client.RPCNodes.Flex.Update(
    context.TODO(),
    "node_id",
    rpc_nodes.FlexUpdateParams{

    },
  )
  if err != nil {
    panic(err.Error())
  }
  fmt.Printf("%+v\n", flex.ID)
}
```

#### Response

```json
{
  "id": "123e4567-e89b-12d3-a456-426614174000",
  "blockchain": "ethereum",
  "created_at": "2025-01-01T00:00:00Z",
  "endpoint": "https://ethereum-mainnet.nirvanalabs.xyz/my-ethereum-node-abc12?apikey=apiKey",
  "name": "my-ethereum-node",
  "network": "mainnet",
  "project_id": "123e4567-e89b-12d3-a456-426614174000",
  "tags": [
    "production",
    "ethereum"
  ],
  "updated_at": "2025-01-01T00:00:00Z"
}
```