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The user.session.created event is triggered when a new user session is created.

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Event payload

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user_id
string
required

An app's user's unique identifier. It is prefixed with 'usr_'

Examples:

"usr_01jqebhswje1ka1z7ahr9rfsgt"

"usr_01jqy7455pf8p9bap5qke912g1"

​
session_id
string
required

A user's session unique identifier. It is prefixed with 'ses_'

Example:

"ses_01jr0z5w2seq998trz7ftbb9rj"

​
identifier
object
required
​
metadata
object
required
​
created_at
string<date-time>
required
Example:

"2025-03-15T10:30:00Z"

​
correlation_id
string
Example:

"corr_01jqy7455pf8p9bap5qke912g1"