Expand relationships in userset tree format

const { OpenFgaClient, ConsistencyPreference } = require('@openfga/sdk');

const fgaClient = new OpenFgaClient({
  apiUrl: process.env.FGA_API_URL,
  storeId: process.env.FGA_STORE_ID,
  authorizationModelId: process.env.FGA_MODEL_ID, // Set to the authorization model ID for this request.
});

async function main() {
    const body = {
      "relation": "reader",
      "object": "document:budget"
    };
    const response = await fgaClient.expand(body);
}

main().catch((error) => {
    console.error(error);
    process.exitCode = 1;
});

package main

import (
    "context"
    "os"

    . "github.com/openfga/go-sdk/client"
)

func main() {
    fgaClient, err := NewSdkClient(&ClientConfiguration{
        ApiUrl: os.Getenv("FGA_API_URL"),
        StoreId: os.Getenv("FGA_STORE_ID"),
        AuthorizationModelId: os.Getenv("FGA_MODEL_ID"), // Set to the authorization model ID for this request.
    })
    if err != nil {
        panic(err)
    }
    
    body := ClientExpandRequest{
        Relation: "reader",
        Object: "document:budget",
    }
    response, err := fgaClient.Expand(context.Background()).Body(body).Execute()
    if err != nil {
        panic(err)
    }
    _ = response
}

using System.Collections.Generic;
using OpenFga.Sdk.Client;
using OpenFga.Sdk.Client.Model;
using OpenFga.Sdk.Model;
using Environment = System.Environment;

var fgaClient = new OpenFgaClient(new ClientConfiguration() {
  ApiUrl = Environment.GetEnvironmentVariable("FGA_API_URL"),
  StoreId = Environment.GetEnvironmentVariable("FGA_STORE_ID"),
  AuthorizationModelId = Environment.GetEnvironmentVariable("FGA_MODEL_ID"), // Set to the authorization model ID for this request.
});

var body = new ClientExpandRequest {
    Relation = "reader",
    Object = "document:budget",
};
var response = await fgaClient.Expand(body);

import asyncio
import os
from openfga_sdk.client import OpenFgaClient, ClientConfiguration
from openfga_sdk.client.models import ClientExpandRequest

async def main():
    configuration = ClientConfiguration(
        api_url=os.environ.get("FGA_API_URL"),
        store_id=os.environ.get("FGA_STORE_ID"),
        authorization_model_id=os.environ.get("FGA_MODEL_ID"), # Set to the authorization model ID for this request.
    )
    async with OpenFgaClient(configuration) as fga_client:
        body = ClientExpandRequest(
            relation="reader",
            object="document:budget",
        )
        response = await fga_client.expand(body=body)

asyncio.run(main())

import dev.openfga.sdk.api.client.OpenFgaClient;
import dev.openfga.sdk.api.configuration.ClientConfiguration;
import dev.openfga.sdk.api.configuration.*;
import dev.openfga.sdk.api.client.model.*;
import dev.openfga.sdk.api.model.*;
import java.util.List;
import java.util.Map;
import java.util.ArrayList;

public class Example {
    public static void main(String[] args) throws Exception {
        var config = new ClientConfiguration()
            .apiUrl(System.getenv("FGA_API_URL"))
            .storeId(System.getenv("FGA_STORE_ID"))
            .authorizationModelId(System.getenv("FGA_MODEL_ID")); // Set to the authorization model ID for this request.
        var fgaClient = new OpenFgaClient(config);
        
        var body = new ClientExpandRequest()
            .relation("reader")
            ._object("document:budget");
        var response = fgaClient.expand(body).get();
    }
}

# Set FGA_API_URL to the URL of your OpenFGA server.
# Set FGA_STORE_ID to your store ID.
# Set FGA_MODEL_ID to your authorization model ID.
# These examples use a server with authentication disabled.
# For authenticated servers, see /docs/getting-started/setup-sdk-client.

curl -X POST "$FGA_API_URL/stores/$FGA_STORE_ID/expand" \
  -H "content-type: application/json" \
  -d '{
  "authorization_model_id": "'"$FGA_MODEL_ID"'",
  "tuple_key": {
    "relation": "reader",
    "object": "document:budget"
  }
}'

{
  "tree": {
    "root": {
      "name": "<string>",
      "difference": {
        "base": "<unknown>",
        "subtract": "<unknown>"
      },
      "intersection": {
        "nodes": [
          {}
        ]
      },
      "leaf": {
        "computed": {
          "userset": "<string>"
        },
        "tupleToUserset": {
          "computed": [
            {
              "userset": "<string>"
            }
          ],
          "tupleset": "<string>"
        },
        "users": {
          "users": [
            "<string>"
          ]
        }
      },
      "union": {
        "nodes": [
          {}
        ]
      }
    }
  }
}

{
  "code": "validation_error",
  "message": "Generic validation error"
}

{
  "code": "unauthenticated",
  "message": "unauthenticated"
}

{
  "code": "forbidden",
  "message": "the principal is not authorized to perform the action"
}

{
  "code": "undefined_endpoint",
  "message": "Endpoint not enabled"
}

{
  "code": "10",
  "message": "transaction conflict"
}

{
  "code": "throttled_timeout_error",
  "message": "timeout due to throttling on complex request"
}

{
  "code": "internal_error",
  "message": "Internal Server Error"
}