#### graphDataFetch
```yaml
version: 0.5
nodes:
  url:
    value: https://www.google.com/search?q=hello
  fetch:
    agent: fetchAgent
    params:
      type: text
    inputs:
      url: :url
  success:
    agent: copyAgent
    isResult: true
    unless: :fetch.onError
    inputs:
      result: true
  error:
    agent: copyAgent
    isResult: true
    if: :fetch.onError
    inputs:
      error: :fetch.onError

```

#### graphDataPost
```yaml
version: 0.5
nodes:
  url:
    value: https://www.google.com/search?q=hello
  fetch:
    agent: fetchAgent
    params:
      type: text
      supressError: true
    inputs:
      url: :url
      body: Posting data
  success:
    agent: copyAgent
    isResult: true
    unless: :fetch.onError
    inputs:
      result: true
  error:
    agent: propertyFilterAgent
    params:
      include:
        - message
        - status
    isResult: true
    if: :fetch.onError
    inputs:
      item: :fetch.onError

```
