Customer review collection workflow with post-purchase trigger, review request email, rating submission, moderation, and public display.

Full FlowZap Code

n8nSchedule { # n8n Schedule Trigger
  n1: circle label:"Start"
  n2: rectangle label:"Trigger daily at 10 AM"
  n3: rectangle label:"Query Shopify orders"
  n4: rectangle label:"Filter delivered 7 days ago"
  n5: circle label:"End"
  n1.handle(right) -> n2.handle(left)
  n2.handle(right) -> n3.handle(left)
  n3.handle(right) -> n4.handle(left)
  n4.handle(bottom) -> n8nFilter.n6.handle(top) [label="Filtered orders"]
}

n8nFilter { # n8n Filter Node
  n6: rectangle label:"Check if review exists"
  n7: diamond label:"Already reviewed?"
  n8: rectangle label:"Skip customer"
  n9: rectangle label:"Add to review queue"
  n6.handle(right) -> n7.handle(left)
  n7.handle(right) -> n8.handle(left) [label="Yes"]
  n7.handle(bottom) -> n9.handle(top) [label="No"]
  n8.handle(top) -> n8nSchedule.n5.handle(bottom) [label="Skip"]
  n9.handle(bottom) -> n8nEmail.n10.handle(top) [label="Request review"]
}

n8nEmail { # n8n SendGrid Node
  n10: rectangle label:"Build personalized email"
  n11: rectangle label:"Include product image"
  n12: rectangle label:"Add review link with token"
  n13: rectangle label:"Send via SendGrid API"
  n14: diamond label:"Email sent?"
  n15: rectangle label:"Log to Google Sheets"
  n16: rectangle label:"Queue for retry"
  n10.handle(right) -> n11.handle(left)
  n11.handle(right) -> n12.handle(left)
  n12.handle(right) -> n13.handle(left)
  n13.handle(right) -> n14.handle(left)
  n14.handle(right) -> n15.handle(left) [label="Yes"]
  n14.handle(bottom) -> n16.handle(top) [label="No"]
  n15.handle(bottom) -> n8nWebhook.n17.handle(top) [label="Track"]
  n16.handle(top) -> n13.handle(bottom) [label="Retry"]
}

n8nWebhook { # n8n Webhook Response
  n17: rectangle label:"Wait for review submission"
  n18: rectangle label:"Validate review content"
  n19: diamond label:"Rating 4 or 5 stars?"
  n20: rectangle label:"Post to Trustpilot API"
  n21: rectangle label:"Flag for internal review"
  n22: rectangle label:"Send thank you email"
  n17.handle(right) -> n18.handle(left)
  n18.handle(right) -> n19.handle(left)
  n19.handle(right) -> n20.handle(left) [label="Yes"]
  n19.handle(bottom) -> n21.handle(top) [label="No"]
  n20.handle(right) -> n22.handle(left)
  n21.handle(right) -> n22.handle(top)
  n22.handle(top) -> n8nSchedule.n5.handle(bottom) [label="Complete"]
}

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