# Automatically updating fields in runs

## Get the fields

First thing you want to do is get the fields that exist in the run(s) you're trying to update:

{% tabs %}
{% tab title="Query" %}

```graphql
{
  run(id: 419) {
    id steps {
      id fields {
        id name value _etag
      }
    }
  }
}
```

{% endtab %}

{% tab title="Response" %}

```javascript
{
  "data": {
    "run": {
      "id": 419,
      "steps": [
        {
          "id": 1429,
          "fields": [
            {
              "id": 1461,
              "name": "required_field",
              "value": null,
              "type": "STRING",
              "_etag": "066b1eb08dab44d6925d7bbd899e92cf"
            },
            {
              "id": 1462,
              "name": "pass_fail",
              "value": null,
              "type": "BOOLEAN",
              "_etag": "066b1eb08dab44d6925d7bbd899e92cf"
            },
            {
              "id": 1463,
              "name": "quality",
              "value": null,
              "type": "SIGNOFF",
              "_etag": "066b1eb08dab44d6925d7bbd899e92cf"
            }
          ]
        },
...
```

{% endtab %}
{% endtabs %}

This will return a list of steps within that run, and the fields within those steps. Find the field that you want to update. From the example response (Response tab) above, let's say we want to updated field `1462` because our test equipment is able to determine pass/fail easily. Here's the query you'll use:

```graphql
mutation {
  updateRunStepFieldValue(input: {
    id: 1462,
    value: true,
    etag: "066b1eb08dab44d6925d7bbd899e92cf"
  }) {
    runStepField {
      id value
    }
  }
}
```

What does this include? Because we're updating data, this is a `mutation` . The mutation we're using is called `updateRunStepFieldValue`. The id of the field is `1462` and the value we're setting is `true`. And finally, we'll include the `etag` of the original field. The `etag` prevent accidental data overwrites by enforcing concurrency control. After running the mutation, we'll get back the id and the updated value of the field in the response.


---

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