> ## Documentation Index
> Fetch the complete documentation index at: https://veryfront.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# List source schedules

> List the schedules declared in the source files of a project, a branch or an environment to see what can be activated; returns every declared schedule as one page with the discovery diagnostics.

`sourceSchedules(projectReference: String!, input: SourceSelectorInput): SourceScheduleList!`

Requires project.runs.read.

## Arguments

| Argument | Type | Required |
| - | - | - |
| `projectReference` | [`String!`](https://veryfront.com/docs/cloud/graphql/types/string) | Yes |
| `input` | [`SourceSelectorInput`](https://veryfront.com/docs/cloud/graphql/types/sourceselectorinput) | No |

## Input fields

### input

[`SourceSelectorInput`](https://veryfront.com/docs/cloud/graphql/types/sourceselectorinput)

| Field | Type | Required | Description |
| - | - | - | - |
| `sourceTargetKind` | [`SourceTargetKind`](https://veryfront.com/docs/cloud/graphql/types/sourcetargetkind) | No | The source to read; default runtimeTargetKind, else project. |
| `runtimeTargetKind` | [`RuntimeTargetKind`](https://veryfront.com/docs/cloud/graphql/types/runtimetargetkind) | No | Used as the source to read when sourceTargetKind is omitted. |
| `targetEnvironmentId` | [`ID`](https://veryfront.com/docs/cloud/graphql/types/id) | No | Required with the kind environment. |
| `targetBranchId` | [`ID`](https://veryfront.com/docs/cloud/graphql/types/id) | No | Required with the kind preview\_branch. |

## Response

Returns [`SourceScheduleList!`](https://veryfront.com/docs/cloud/graphql/types/sourceschedulelist). Open the type for its fields and nested types.

| Field | Type | Description |
| - | - | - |
| `data` | [`[SourceSchedule!]!`](https://veryfront.com/docs/cloud/graphql/types/sourceschedule) | |
| `pageInfo` | [`PageInfo!`](https://veryfront.com/docs/cloud/graphql/types/pageinfo) | |
| `diagnostics` | [`[ProjectSourceFileDiagnostic!]!`](https://veryfront.com/docs/cloud/graphql/types/projectsourcefilediagnostic) | Source files that could not be read as a schedule. |

Types marked with `!` cannot be null. Lists use `[Type]` notation. The [type index](https://veryfront.com/docs/cloud/graphql/schema.md) lists all published input and response types.

## Example

```graphql title="query.graphql" theme={null}
query SourceSchedules($projectReference: String!, $input: SourceSelectorInput) {
  sourceSchedules(projectReference: $projectReference, input: $input) {
    data {
      id
      name
      backoffLimit
      concurrencyPolicy
      config
    }
    pageInfo {
      hasNextPage
      endCursor
      hasPreviousPage
      startCursor
    }
    diagnostics {
      code
      details
      kind
      message
      sourceId
    }
  }
}
```

```json title="variables.json" theme={null}
{
  "projectReference": "example"
}
```

<details>
  <summary>Try this query</summary>

  Calls use `https://api.veryfront.com/graphql`. Replace sample values with resources you can access. See [Authentication](https://veryfront.com/docs/cloud/authentication.md) for credentials and permissions.

  Bearer token or API key

  Stored in this tab's session. Clear credential

  Query

  Variables (JSON)
</details>


This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.