If I clear a field in Salesforce, does it clear the value in Emma?
Yes. When you clear a mapped field in Salesforce, we send that field up to Emma with an empty value, and Emma treats an empty value as an instruction to clear it. The audience member's custom field ends up blank rather than holding onto the old value.
This works the same way whether the update comes from field mappings or from any of the import wizard sources.
Which Paths Clear a Blank Value
• Field mappings: Yes. These run when the record is edited, so clearing a field in Salesforce updates Emma almost straight away.
• Import wizard, report source: Yes.
• Import wizard, list view source: Yes.
• Import wizard, SOQL source: Yes.
• Import wizard, campaign source: Yes.
Note: the field has to be present in the source for anything to be sent. If you remove a column from a report or list view, or drop a field from your SELECT statement, no update is sent for that field at all. Emma keeps its existing value, which can look like a blank failing to clear when it is actually the field no longer being included.
Note: if you want a cleared value to reach Emma immediately rather than waiting for the next scheduled run, use field mappings. Imports only push when they run.
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