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ActionSegmentUpdated May 2026

How do I update Segment user traits?

Short answer: Drop the "SegmentSegment Identify User" action anywhere in your workflow, map the inputs from upstream nodes, and publish.

Inputs

The fields this action accepts.

Every field can be mapped from an upstream trigger, AI step, table row, or hard-coded literal.

FieldTypeRequiredDescription
User ID
userId
stringRequiredUser ID
Email
email
emailOptionalThe email address. Used as the recipient or identifier depending on context.
Name
name
stringOptionalName
Additional Traits
traits
jsonOptionalAdditional Traits. (JSON object). e.g. "{ "plan": "pro", "company": "Acme" }"
Sample request
{
"userId": "{{trigger.userId}}",
"email": "e.g. user@example.com",
"name": "{{trigger.name}}",
"traits": "{ \"plan\": \"pro\", \"company\": \"Acme\" }"
}
Returns
{
"success": true
}

Use these fields in downstream nodes for routing, logging, or error handling.

Triggered by

Apps that pair well as the trigger for Segment Identify User.

Any of these apps can fire this action as part of a workflow.

FAQ

Questions about Segment Identify User.

What does the Segment Identify User action do in Segment?
Upserts user traits that fan out to every connected destination (Mixpanel, HubSpot, Customer.io, etc.). The state update that drives downstream segmentation accuracy.
What inputs does Segment Identify User require?
Required: User ID. Every input accepts a static value or a variable from any upstream node in your workflow.
Can I use dynamic inputs from earlier workflow nodes?
Yes. Any field on this action can pull values from upstream nodes, whether that's a form response, a trigger payload, an AI output, or a lookup result.
What happens if Segment returns an error?
The workflow pauses on the failed node, the error message is captured in the run log, and you can retry the run with one click. Auto-retry policies are configurable per workflow with exponential backoff up to 5 attempts.
Does Segment Identify User support batch operations?
Yes. Run Segment Identify User inside a Loop node to process arrays. Tiny Command handles Segment's rate limits automatically so you don't have to throttle manually.
More actions

Other Segment actions.

Send segment identify user from your workflows.

Triggered by anything in the catalog. Free tier available. No credit card.