Task: Update HubSpot when a new invoice is registered in Stripe

n8n workflow:
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Number","type":"n8n-nodes-base.hubspot","position":[820,480],"parameters":{"operation":"search","filterGroupsUi":{"filterGroupsValues":[{"filtersUi":{"filterValues":[{"value":"={{$json[\"data\"][\"object\"][\"custom_fields\"][0][\"value\"]}}","propertyName":"po_number"}]}}]},"additionalFields":{}},"credentials":{"hubspotApi":{"id":"57","name":"Hubspot account"}},"typeVersion":1,"alwaysOutputData":true},{"name":"If no PO Number","type":"n8n-nodes-base.if","position":[600,460],"parameters":{"conditions":{"string":[{"value1":"={{$json[\"data\"][\"object\"][\"custom_fields\"]}}","operation":"isEmpty"}]}},"typeVersion":1},{"name":"If no deal found for PO","type":"n8n-nodes-base.if","position":[1020,480],"parameters":{"conditions":{"string":[{"value1":"={{$json[\"id\"]}}","operation":"isEmpty"}]}},"typeVersion":1},{"name":"Send invoice paid message","type":"n8n-nodes-base.slack","position":[1420,500],"parameters":{"text":":sparkles: An invoice has been paid :sparkles:","channel":"team-accounts","blocksUi":{"blocksValues":[]},"attachments":[{"color":"#00FF04","fields":{"item":[{"short":true,"title":"Amount","value":"={{$node[\"When Invoice Paid\"].json[\"data\"][\"object\"][\"amount_paid\"]/100}}"},{"short":true,"title":"Currency","value":"={{$node[\"When Invoice Paid\"].json[\"data\"][\"object\"][\"currency\"]}}"},{"short":false,"title":"Customer Name","value":"={{$node[\"When Invoice Paid\"].json[\"data\"][\"object\"][\"customer_name\"]}}"},{"short":false,"title":"Customer Email","value":"={{$node[\"When Invoice Paid\"].json[\"data\"][\"object\"][\"customer_email\"]}}"},{"short":true,"title":"PO Number","value":"={{$node[\"When Invoice Paid\"].json[\"data\"][\"object\"][\"custom_fields\"][0][\"value\"]}}"},{"short":true,"title":"","value":"="}]},"footer":"=*Transaction ID:* {{$node[\"When Invoice Paid\"].json[\"id\"]}}"}],"otherOptions":{}},"credentials":{"slackApi":{"id":"53","name":"Slack Access Token"}},"typeVersion":1},{"name":"Send no PO Message","type":"n8n-nodes-base.slack","position":[800,240],"parameters":{"text":":x: Stripe Payment with no PO Number :x:","channel":"team-accounts","blocksUi":{"blocksValues":[]},"attachments":[{"color":"#FF3C00","fields":{"item":[{"short":true,"title":"Amount","value":"={{$json[\"data\"][\"object\"][\"amount_paid\"] / 100}}"},{"short":true,"title":"Currency","value":"={{$json[\"data\"][\"object\"][\"currency\"]}}"},{"short":false,"title":"Customer Name","value":"={{$json[\"data\"][\"object\"][\"customer_name\"]}}"},{"short":false,"title":"Customer Email","value":"={{$json[\"data\"][\"object\"][\"customer_email\"]}}"}]},"footer":"=*Transaction ID:* {{$json[\"id\"]}}"}],"otherOptions":{}},"credentials":{"slackApi":{"id":"53","name":"Slack Access Token"}},"typeVersion":1},{"name":"Send Deal not found message","type":"n8n-nodes-base.slack","position":[1180,240],"parameters":{"text":":x: Unable to find Deal for the below payment :x:","channel":"team-accounts","blocksUi":{"blocksValues":[]},"attachments":[{"color":"#FF3C00","fields":{"item":[{"short":true,"title":"Amount","value":"={{$node[\"When Invoice Paid\"].json[\"data\"][\"object\"][\"amount_paid\"]/100}}"},{"short":true,"title":"Currency","value":"={{$node[\"When Invoice Paid\"].json[\"data\"][\"object\"][\"currency\"]}}"},{"short":false,"title":"Customer Name","value":"={{$node[\"When Invoice Paid\"].json[\"data\"][\"object\"][\"customer_name\"]}}"},{"short":false,"title":"Customer Email","value":"={{$node[\"When Invoice Paid\"].json[\"data\"][\"object\"][\"customer_email\"]}}"},{"short":true,"title":"PO Number","value":"={{$node[\"When Invoice Paid\"].json[\"data\"][\"object\"][\"custom_fields\"][0][\"value\"]}}"}]},"footer":"=*Transaction ID:* {{$node[\"When Invoice Paid\"].json[\"id\"]}}"}],"otherOptions":{}},"credentials":{"slackApi":{"id":"53","name":"Slack Access Token"}},"typeVersion":1}],"active":false,"settings":{},"connections":{"If no PO Number":{"main":[[{"node":"Send no PO Message","type":"main","index":0}],[{"node":"Find Deal based on PO Number","type":"main","index":0}]]},"When Invoice Paid":{"main":[[{"node":"If no PO Number","type":"main","index":0}]]},"Update Deal to Paid":{"main":[[{"node":"Send invoice paid message","type":"main","index":0}]]},"If no deal found for PO":{"main":[[{"node":"Send Deal not found message","type":"main","index":0}],[{"node":"Update Deal to Paid","type":"main","index":0}]]},"Find Deal based on PO Number":{"main":[[{"node":"If no deal found for PO","type":"main","index":0}]]}}}