Task: Send a daily summary of your Google Calendar events to Slack

n8n workflow:
{"nodes":[{"name":"Google Calendar","type":"n8n-nodes-base.googleCalendar","position":[540,-320],"parameters":{"options":{},"calendar":"xxxxx@gmail.com","operation":"getAll","returnAll":true},"credentials":{"googleCalendarOAuth2Api":"Google Accounts"},"typeVersion":1},{"name":"Function","type":"n8n-nodes-base.function","position":[540,70],"parameters":{"functionCode":"var date = new Date().toISOString();\nvar day = new Date().getDay();\nconst weekday = [\"Sunday\", \"Monday\", \"Tuesday\", \"Wednesday\", \"Thursday\", \"Friday\", \"Saturday\"];\n\nitems[0].json.date_today = date;\nitems[0].json.day_today = weekday[day];\n\nreturn items;"},"notesInFlow":false,"typeVersion":1},{"name":"Date & Time","type":"n8n-nodes-base.dateTime","position":[720,-320],"parameters":{"value":"={{$json[\"start\"][\"dateTime\"]}}","custom":true,"options":{"toTimezone":"Asia/Qatar"},"toFormat":"DD/MM/YYYY","dataPropertyName":"Event Start Date Only"},"typeVersion":1},{"name":"IF","type":"n8n-nodes-base.if","position":[1410,-110],"parameters":{"conditions":{"string":[{"value1":"= {{$json[\"Event Date\"]}}","value2":"= {{$json[\"Today's Date\"]}}"}],"dateTime":[]}},"typeVersion":1},{"name":"Date & Time1","type":"n8n-nodes-base.dateTime","position":[880,70],"parameters":{"value":"={{$json[\"date_today\"]}}","custom":true,"options":{"toTimezone":"Asia/Qatar"},"toFormat":"DD/MM/YYYY","dataPropertyName":"Today's Date"},"typeVersion":1},{"name":"Set","type":"n8n-nodes-base.set","position":[910,-320],"parameters":{"values":{"string":[{"name":"Event Name","value":"={{$json[\"summary\"]}}"},{"name":"Event Date","value":"={{$json[\"Event Start Date Only\"]}}"},{"name":"Today's Date","value":"="},{"name":"Gcal URL","value":"={{$json[\"htmlLink\"]}}"},{"name":"Location","value":"={{$json[\"location\"]}}"},{"name":"Start Time","value":"={{$json[\"start\"][\"dateTime\"]}}"}]},"options":{},"keepOnlySet":true},"typeVersion":1},{"name":"Merge","type":"n8n-nodes-base.merge","position":[1200,-110],"parameters":{"mode":"multiplex"},"typeVersion":1},{"name":"Set1","type":"n8n-nodes-base.set","position":[1630,-130],"parameters":{"values":{"number":[],"string":[{"name":"Name","value":"={{$json[\"Event Name\"]}}"},{"name":"Time","value":"={{$json[\"Start Time\"]}}"},{"name":"URL","value":"={{$json[\"Gcal URL\"]}}"}]},"options":{},"keepOnlySet":true},"typeVersion":1},{"name":"Date & Time2","type":"n8n-nodes-base.dateTime","position":[1800,-130],"parameters":{"value":"={{$json[\"Time\"]}}","custom":true,"options":{"toTimezone":"Asia/Qatar"},"toFormat":"HH:mm","dataPropertyName":"Time"},"typeVersion":1},{"name":"Function1","type":"n8n-nodes-base.function","position":[1960,-130],"parameters":{"functionCode":"// Create our Slack message\n// This will output a list of Ticket URLs with the status and the subject\n// 12345 [STATUS] - Ticket Subject\nlet message = \"*Hello , Please find below a list of your meetings for today*. \\n\";\n\n// Loop the input items\nfor (item of items) {\n  // Append the ticket information to the message\n  message += \"*\" + item.json.Name +' @ '+ item.json.Time + \"\\n*  - \" + item.json.URL + \"\\n\"; \n}\n\n// Return our message\nreturn [{json: {message}}];\n"},"typeVersion":1},{"name":"Slack","type":"n8n-nodes-base.slack","position":[2150,-130],"parameters":{"text":"={{$json[\"message\"]}}","channel":"virtual-assistant","attachments":[],"otherOptions":{}},"credentials":{"slackApi":"Slack account"},"typeVersion":1},{"name":"Cron","type":"n8n-nodes-base.cron","position":[250,-130],"parameters":{"triggerTimes":{"item":[{"hour":6}]}},"retryOnFail":true,"typeVersion":1}],"connections":{"IF":{"main":[[{"node":"Set1","type":"main","index":0}]]},"Set":{"main":[[{"node":"Merge","type":"main","index":0}]]},"Cron":{"main":[[{"node":"Google Calendar","type":"main","index":0},{"node":"Function","type":"main","index":0}]]},"Set1":{"main":[[{"node":"Date & Time2","type":"main","index":0}]]},"Merge":{"main":[[{"node":"IF","type":"main","index":0}]]},"Function":{"main":[[{"node":"Date & Time1","type":"main","index":0}]]},"Function1":{"main":[[{"node":"Slack","type":"main","index":0}]]},"Date & Time":{"main":[[{"node":"Set","type":"main","index":0}]]},"Date & Time1":{"main":[[{"node":"Merge","type":"main","index":1}]]},"Date & Time2":{"main":[[{"node":"Function1","type":"main","index":0}]]},"Google Calendar":{"main":[[{"node":"Date & Time","type":"main","index":0}]]}}}