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mohan vegesnamohan vegesna 

Using flow can we restrict a user from entering dupliacate value or repeated value for a particular field in a object ?

I have a need for a feild in an object which accepts only unique values for each record created or updated. So, i want to achieve this using process builder to trigger when ever a new record is created and flow to check if that unique field is not having the value which has been entered. Can anyone help me with this ?
OFröhlichOFröhlich
Hi,
edit the field and set it to unique or External ID.

If this helps, please mark as Best Answer to help others too.