Input values have 2 keys

I am trying to automate the replies that people who send an email through my landing page get and then following messages pops up” input values have 2 keys, you must specify an input key or pass only 1 key as input”. How do I let the ai agent know that reply has to go to the email that’s going to be given is this form

I am trying to automate the replies that people who send an email through my landing page get and then following messages pops up” input values have 2 keys, you must specify an input key or pass only 1 key as input”. How do I let the ai agent know that reply has to go to the email that’s going to be given is this form