Create Fulfillment in Shopify using GraphQL Mutation

A mutation is used to create fulfillment in Shopify using GraphQL.

The data is passed as variables to the fulfillment orders object obtained for the order.

Mutation:

mutation fulfillmentCreate($input: FulfillmentInput!) {
  fulfillmentCreate(fulfillment: $input) {
    fulfillment {
      id
      status
    }
    userErrors {
      field
      message
    }
  }
}

Variable:

{
  "input": {
    "lineItemsByFulfillmentOrder": [
      {
        "fulfillmentOrderId": "gid://shopify/FulfillmentOrder/${FULFILLMENT_ORDER_ID}",
        "fulfillmentOrderLineItems": [
          {
            "id": "gid://shopify/FulfillmentOrderLineItem/${FULFILLMENT_ORDER_LINE_ITEM_1}",
            "quantity": 1
          }
        ]
      }
    ],
    "trackingInfo": {
      "number": "1234567890",
      "url": "https://www.dhl.com/track?num=1234567890",
      "company": "DHL"
    },
    "notifyCustomer": true
  }
}

Response:

{
    "data": {
        "fulfillmentCreate": {
            "fulfillment": {
                "id": "gid://shopify/Fulfillment/${FULFILLMENT_ID}",
                "status": "SUCCESS"
            },
            "userErrors": []
        }
    },
    "extensions": {
        "cost": {
            "requestedQueryCost": 10,
            "actualQueryCost": 10,
            "throttleStatus": {
                "maximumAvailable": 2000.0,
                "currentlyAvailable": 1990,
                "restoreRate": 100.0
            }
        }
    }
}