Task: Notify on Slack when refund is registered in WooCommerce

n8n workflow JSON:
{"id":82,"name":"New WooCommerce refund to Slack","nodes":[{"name":"Order Updated","type":"n8n-nodes-base.wooCommerceTrigger","position":[320,500],"webhookId":"f7736be3-e978-4a17-b936-7ce9f8ccdb72","parameters":{"event":"order.updated"},"credentials":{"wooCommerceApi":{"id":"48","name":"WooCommerce account"}},"typeVersion":1},{"name":"If Refund and Over 100","type":"n8n-nodes-base.if","position":[540,500],"parameters":{"conditions":{"number":[{"value1":"={{$json[\"total\"]}}","value2":100,"operation":"largerEqual"}],"string":[{"value1":"={{$json[\"status\"]}}","value2":"refunded"}]}},"typeVersion":1},{"name":"Send to Slack","type":"n8n-nodes-base.slack","position":[780,480],"parameters":{"text":":x: A refund has been issued :x:","channel":"woo-commerce","blocksUi":{"blocksValues":[]},"attachments":[{"color":"#FF0000","fields":{"item":[{"short":true,"title":"Order ID","value":"={{$json[\"id\"]}}"},{"short":true,"title":"Status","value":"={{$json[\"status\"]}}"},{"short":true,"title":"Total","value":"={{$json[\"currency_symbol\"]}}{{$json[\"total\"]}}"}]},"footer":"=*Order updated:* {{$json[\"date_modified\"]}}"}],"otherOptions":{}},"credentials":{"slackApi":{"id":"53","name":"Slack Access Token"}},"typeVersion":1}],"active":false,"settings":{"saveManualExecutions":true,"saveExecutionProgress":true,"saveDataSuccessExecution":"all"},"connections":{"Order Updated":{"main":[[{"node":"If Refund and Over 100","type":"main","index":0}]]},"If Refund and Over 100":{"main":[[{"node":"Send to Slack","type":"main","index":0}],[]]}}}