## Get full step output from instance

`client.Workflows.Instances.Step(ctx, workflowName, instanceID, params) (*InstanceStepResponse, error)`

**get** `/accounts/{account_id}/workflows/{workflow_name}/instances/{instance_id}/step`

Retrieves the full, untruncated output for a specific step on a workflow instance. Returns a flat status-shaped JSON body with step `status` ('running' | 'waiting' | 'complete' | 'errored'), `error` (nullable), and `output` (the step value, or null while running/waiting/errored). When the step returned a ReadableStream from step.do, the response is served as 'application/octet-stream' with the raw bytes as the body instead of JSON. A `status='running'` response with non-null `error` indicates the step is currently retrying after a prior attempt failed.

### Parameters

- `workflowName string`

- `instanceID string`

  Instance identifier. User-created instances match `^[a-zA-Z0-9_][a-zA-Z0-9-_]*$` (max 100 characters); cron-triggered instances can use a longer, system-generated id derived from the cron expression.

- `params InstanceStepParams`

  - `AccountID param.Field[string]`

    Path param

  - `Name param.Field[string]`

    Query param: Exact step name from the instance logs response, including the generated counter suffix.

  - `Type param.Field[InstanceStepParamsType]`

    Query param: Step type to disambiguate step.do and waitForEvent entries that share the same name.

    - `const InstanceStepParamsTypeStep InstanceStepParamsType = "step"`

    - `const InstanceStepParamsTypeWaitForEvent InstanceStepParamsType = "waitForEvent"`

  - `Attempt param.Field[int64]`

    Query param: Specific attempt number to retrieve output or error for.

### Returns

- `type InstanceStepResponse struct{…}`

  - `Error InstanceStepResponseError`

    Error details when status='errored'; null otherwise.

    - `Message string`

    - `Name string`

  - `Status InstanceStepResponseStatus`

    - `const InstanceStepResponseStatusQueued InstanceStepResponseStatus = "queued"`

    - `const InstanceStepResponseStatusRunning InstanceStepResponseStatus = "running"`

    - `const InstanceStepResponseStatusPaused InstanceStepResponseStatus = "paused"`

    - `const InstanceStepResponseStatusErrored InstanceStepResponseStatus = "errored"`

    - `const InstanceStepResponseStatusTerminated InstanceStepResponseStatus = "terminated"`

    - `const InstanceStepResponseStatusComplete InstanceStepResponseStatus = "complete"`

    - `const InstanceStepResponseStatusWaitingForPause InstanceStepResponseStatus = "waitingForPause"`

    - `const InstanceStepResponseStatusWaiting InstanceStepResponseStatus = "waiting"`

    - `const InstanceStepResponseStatusRollingBack InstanceStepResponseStatus = "rollingBack"`

  - `Output unknown`

    Full step output or waitForEvent payload without truncation. Sensitive outputs are returned as '[REDACTED]'. Populated when status='complete'. May be a ReadableStream when the step returned one from step.do; stream outputs are served as application/octet-stream rather than JSON.

### Example

```go
package main

import (
  "context"
  "fmt"

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

func main() {
  client := cloudflare.NewClient(
    option.WithAPIToken("Sn3lZJTBX6kkg7OdcBUAxOO963GEIyGQqnFTOFYY"),
  )
  response, err := client.Workflows.Instances.Step(
    context.TODO(),
    "x",
    "x",
    workflows.InstanceStepParams{
      AccountID: cloudflare.F("account_id"),
      Name: cloudflare.F("x"),
      Type: cloudflare.F(workflows.InstanceStepParamsTypeStep),
    },
  )
  if err != nil {
    panic(err.Error())
  }
  fmt.Printf("%+v\n", response.Error)
}
```

#### Response

```json
{
  "errors": [
    {
      "code": 0,
      "message": "message"
    }
  ],
  "messages": [
    {
      "code": 0,
      "message": "message"
    }
  ],
  "result": {
    "error": {
      "message": "message",
      "name": "name"
    },
    "status": "queued",
    "output": {}
  },
  "success": true,
  "result_info": {
    "count": 0,
    "per_page": 0,
    "total_count": 0,
    "cursor": "cursor",
    "page": 0,
    "total_pages": 0
  }
}
```