Workflow: Manual Slack Create

{
    "id": "164",
    "name": "Create a channel, invite users to the channel, post a message, and upload a file",
    "nodes": [
        {
            "name": "On clicking 'execute'",
            "type": "n8n-nodes-base.manualTrigger",
            "position": [
                250,
                250
            ],
            "parameters": [],
            "typeVersion": 1
        },
        {
            "name": "Slack",
            "type": "n8n-nodes-base.slack",
            "position": [
                450,
                250
            ],
            "parameters": {
                "resource": "channel",
                "channelId": "n8n-docs",
                "additionalFields": []
            },
            "credentials": {
                "slackApi": "Slack Bot Access Token"
            },
            "typeVersion": 1
        },
        {
            "name": "Slack1",
            "type": "n8n-nodes-base.slack",
            "position": [
                650,
                250
            ],
            "parameters": {
                "userIds": [
                    "U01797FGD6J"
                ],
                "resource": "channel",
                "channelId": "={{$node[\"Slack\"].json[\"id\"]}}",
                "operation": "invite"
            },
            "credentials": {
                "slackApi": "Slack Bot Access Token"
            },
            "typeVersion": 1
        },
        {
            "name": "HTTP Request",
            "type": "n8n-nodes-base.httpRequest",
            "position": [
                1050,
                250
            ],
            "parameters": {
                "url": "https:\/\/n8n.io\/n8n-logo.png",
                "options": [],
                "responseFormat": "file"
            },
            "typeVersion": 1
        },
        {
            "name": "Slack2",
            "type": "n8n-nodes-base.slack",
            "position": [
                850,
                250
            ],
            "parameters": {
                "text": "Welcome to the channel!",
                "as_user": true,
                "channel": "={{$node[\"Slack\"].json[\"id\"]}}",
                "attachments": [
                    {
                        "title": "Logo",
                        "image_url": "https:\/\/n8n.io\/n8n-logo.png"
                    }
                ],
                "otherOptions": []
            },
            "credentials": {
                "slackApi": "Slack Bot Access Token"
            },
            "typeVersion": 1
        },
        {
            "name": "Slack3",
            "type": "n8n-nodes-base.slack",
            "position": [
                1250,
                250
            ],
            "parameters": {
                "options": {
                    "channelIds": [
                        "C01FZ3TJR5L"
                    ]
                },
                "resource": "file",
                "binaryData": true
            },
            "credentials": {
                "slackApi": "Slack Bot Access Token"
            },
            "typeVersion": 1
        }
    ],
    "active": false,
    "settings": [],
    "connections": {
        "Slack": {
            "main": [
                [
                    {
                        "node": "Slack1",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Slack1": {
            "main": [
                [
                    {
                        "node": "Slack2",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Slack2": {
            "main": [
                [
                    {
                        "node": "HTTP Request",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "HTTP Request": {
            "main": [
                [
                    {
                        "node": "Slack3",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "On clicking 'execute'": {
            "main": [
                [
                    {
                        "node": "Slack",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        }
    }
}