# AssignMarketingSendsToCampaign

> File email and SMS sends under a campaign, or clear it with campaignId null. Write access, marketing toolset, MCP tool assign_marketing_sends_to_campaign.

**Access:** [Write](https://developer.missin.co.uk/get-started/authentication.md#access-levels)

## Variables

| Variable | Type | Required | Accepts | Description |
|---|---|---|---|---|
| `campaignId` | `UUID` | no |  |  |
| `sendIds` | `[UUID!]!` | yes |  |  |

## Call it

```bash curl
curl https://api.missin.co.uk/graphql/v1 \
  -H "Authorization: Bearer $MISSIN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"operationName":"AssignMarketingSendsToCampaign","variables":{"sendIds":[]},"extensions":{"persistedQuery":{"version":1,"sha256Hash":"5510d5e39db0c5b668854e39907124ce892e6a79ac4b42b8b425dad85f2c41b8"}}}'
```

## Document

```graphql
mutation AssignMarketingSendsToCampaign($campaignId: UUID, $sendIds: [UUID!]!) { __typename assignMarketingSendsToCampaign( input: {sendIds: $sendIds, campaignId: $campaignId} ) { __typename updated userErrors { __typename code field message } } }
```

Source: https://developer.missin.co.uk/reference/marketing/assign-marketing-sends-to-campaign