Workflow: Manual Noop Monitor

{
    "nodes": [
        {
            "name": "On clicking 'execute'",
            "type": "n8n-nodes-base.manualTrigger",
            "position": [
                250,
                300
            ],
            "parameters": [],
            "typeVersion": 1
        },
        {
            "name": "Check for Close Date",
            "type": "n8n-nodes-base.if",
            "position": [
                660,
                300
            ],
            "parameters": {
                "conditions": {
                    "string": [
                        {
                            "value1": "={{$json[\"Close Date\"]}}",
                            "value2": "\/\\d\\d\\d\\d-\\d\\d-\\d\\d\/i",
                            "operation": "regex"
                        }
                    ]
                },
                "combineOperation": "any"
            },
            "typeVersion": 1
        },
        {
            "name": "Set Close Date 3 Weeks Later",
            "type": "n8n-nodes-base.set",
            "position": [
                910,
                370
            ],
            "parameters": {
                "values": {
                    "string": [
                        {
                            "name": "Close Date",
                            "value": "={{new Date(new Date().setDate(new Date().getDate() + 21)).toISOString()}}"
                        }
                    ]
                },
                "options": [],
                "keepOnlySet": true
            },
            "typeVersion": 1
        },
        {
            "name": "NoOp",
            "type": "n8n-nodes-base.noOp",
            "position": [
                1140,
                280
            ],
            "parameters": [],
            "typeVersion": 1
        },
        {
            "name": "Set Close Date",
            "type": "n8n-nodes-base.set",
            "position": [
                450,
                300
            ],
            "parameters": {
                "values": {
                    "string": [
                        {
                            "name": "Close Date",
                            "value": "2021-11-29T00:00:00.000Z"
                        }
                    ]
                },
                "options": []
            },
            "typeVersion": 1
        },
        {
            "name": "Set Close Date To Original",
            "type": "n8n-nodes-base.set",
            "position": [
                910,
                210
            ],
            "parameters": {
                "values": {
                    "string": [
                        {
                            "name": "Close Date",
                            "value": "={{$node[\"Set Close Date\"].json[\"Close Date\"]}}"
                        }
                    ]
                },
                "options": [],
                "keepOnlySet": true
            },
            "typeVersion": 1
        }
    ],
    "connections": {
        "Set Close Date": {
            "main": [
                [
                    {
                        "node": "Check for Close Date",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Check for Close Date": {
            "main": [
                [
                    {
                        "node": "Set Close Date To Original",
                        "type": "main",
                        "index": 0
                    }
                ],
                [
                    {
                        "node": "Set Close Date 3 Weeks Later",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "On clicking 'execute'": {
            "main": [
                [
                    {
                        "node": "Set Close Date",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Set Close Date To Original": {
            "main": [
                [
                    {
                        "node": "NoOp",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Set Close Date 3 Weeks Later": {
            "main": [
                [
                    {
                        "node": "NoOp",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        }
    }
}