Sending Automated Email only once

[NiranjanK1]

Hi All,

I have build the Alteryx workflow which can send email to end users with data. Here is my concern i do want to send duplicate data email on every refresh.  Any way to restrict sending email only once in a day/week.

Thanks in Advance,

NR  

[NiranjanK1]

Any Suggestions Please 

[NiranjanK1]

Any Suggestions Please, how can i send only one email to the end users.