hi, in my first welcome series email, i had put {% coupon_code 'CouponName' %}.
*my CouponName is SignUpDiscount
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in the second welcome series email, i would like to remind the recipient that there is a SignUpDiscount that he haven use.
But when i test the email, all 3 welcome series email will receive different SignUpDiscount code.
How to ensure recipient receive one SignUpDiscount code for one email?
I tried to use {{ person|lookup:'SignUpDiscount' }} in second welcome series email, but not successful.( in the preview, it shows NONE)
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