Add customers to the journey's wait queue (CSV)

Adds a list of customers from a CSV file to the wait queue for a specific journey.
The journey must be of type IN_LIST.
The final entry time is calculated based on the scheduleTime object, the queue globalOffset, and defaultSchedule.

Constraint: The final calculated wait time must be at least 24 hours in the future from the moment of the request.

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Path Params
number
required

Numeric ID of the journey

Body Params
file
required

A .csv file.
Must contain a customerId header.
Can optionally contain a concurrencyExecutionId header (max 40 chars).
All other columns will be treated as contextValues for the customer.

Example:

customerId,concurrencyExecutionId,product_name,offer_code
cust123,exec-abc-1,Laptop,OFFER10
cust456,,Tablet,WELCOME5
string

A JSON string defining the schedule time for all customers in the CSV.
If provided, this time takes precedence over the journey wait queue defaultSchedule configuration.
Example: '{"absolute": "2025-11-30T10:00:00Z"}'

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