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TrevanTrevan 

Send email when picklist field value changes from null (blank) to a certain value.

In Process Builder, how can I trigger an email to be sent when picklist field value changes from null (blank) to a certain value?

Is the formula something like this?
ISPICKVAL(PRIORVALUE(PICKLIST_FIELD_NAME),"NULL")
Best Answer chosen by Trevan
Naval Sharma4Naval Sharma4
Hi Trevan,

You can use "Does Not Equals" criteria while setting criteria for your process builder condition. 
User-added image

User-added image

Do let me know if this helps you.

All Answers

Naval Sharma4Naval Sharma4
Hi Trevan,

You can use "Does Not Equals" criteria while setting criteria for your process builder condition. 
User-added image

User-added image

Do let me know if this helps you.
This was selected as the best answer
TrevanTrevan
Naval, Thank you very much for the reply!  Would this only run when the value of that field changed from Null to another value that I specify?
Naval Sharma4Naval Sharma4
Yes Trevan,

This will work only value changed from Null to another.
TrevanTrevan
Thank you, Naval!