Workflow: Manual Invoiceninja Automate

{
    "nodes": [
        {
            "name": "On clicking 'execute'",
            "type": "n8n-nodes-base.manualTrigger",
            "position": [
                220,
                310
            ],
            "parameters": [],
            "typeVersion": 1
        },
        {
            "name": "Invoice Ninja",
            "type": "n8n-nodes-base.invoiceNinja",
            "position": [
                410,
                310
            ],
            "parameters": {
                "options": [],
                "operation": "getAll"
            },
            "credentials": {
                "invoiceNinjaApi": "invoice_ninja_creds"
            },
            "typeVersion": 1
        }
    ],
    "connections": {
        "On clicking 'execute'": {
            "main": [
                [
                    {
                        "node": "Invoice Ninja",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        }
    }
}