Example Customer.io CSV - Events Import

	A	B	C	D
1	Add the “_cio_” prefix to the reserved event attributes “_cio_name”, “_cio_customer_id” and “_cio_timestamp” to differentiate them from your other event properties with similar names.
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3	_cio_name	_cio_customer_id	_cio_timestamp	eventAttribute
4	purchased	123	1361329477	value
5	purchased	124	1361329477	value
6	purchased	125	1361329477	value
7	purchased	126	1361329477	value
8	signedin	127	1361329477	value
9	signedin	128	1361329477	value
10	signedin	129	1361329477	value
11	signedin	130	1361329477	value
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13			Learn more about unix timestamps
14			http://www.epochconverter.com/
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