wave-api 0.1.0

# Mutation: Send invoice

Email an approved (saved) invoice. See [schema](360019968212) for options, such as customizing the subject or attaching a PDF of the invoice.

Replace `<INVOICE_ID>` with a real id.

Operation
:   ```graphql
    mutation ($input: InvoiceSendInput!) {
      invoiceSend(input: $input) {
        didSucceed
        inputErrors {
          message
          code
          path
        }
      }
    }
    ```

Operation Variables
:   ```graphql
    {
      "input": {
        "invoiceId": "<INVOICE_ID>",
        "to": ["email@example.com"],
        "message": "Customized message",
        "attachPDF": <true|false>
      }
    }
    ```