The issue: When the desired field don't have any value, and some data have been added there, no matter from where they come -> Marketo keeps the first introduced value. We were wondering if there is any possibility to block first entered value into the field. Purpose: Basically, we would like to achieve the next scenario when assigning the first value to a field. Initially, this field has "NULL" value, and when assigning the first value to a field it should not allow/enter/save it. Marketo: ========> Marketo (after updating the page): "Field X" -> "test" ========> "Field X" -> "NULL".
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