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Activities screenshot from the lemlist app interface

Activities screenshot from the lemlist app interface

A recorded action or event in a campaign sequence (email sent, opened, clicked, etc.).

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_id
string

Unique activity identifier

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type
string

Activity type (emailOpened, emailClicked, emailReplied, etc.)

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leadId
string

Associated lead ID

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campaignId
string

Campaign ID

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sequenceId
string

Sequence ID

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stepId
string

Stable identifier of the sequence step that produced this activity. Present on every activity created from now on; older activities gain it progressively as historical records are backfilled, so treat it as optional when reading history.

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sequenceStep
number

0-based position of the step within the sequence. Still emitted on every activity, unchanged. Prefer stepId for a reference that survives steps being reordered.

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totalSequenceStep
number

0-based count of the sequence steps already delivered to this lead.

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createdAt
string<date-time>

When the activity occurred