Duplicate record creation in flow

[ARAVINDA11]

@Ankur Bawiskar  @Community Alums @Sohail Khilji @Maik Skoddow  or anyone please help

I have a flow step which will check the rest action and trigger the flow daily basis with the creation record action

so if in the Case how can i stop duplication record creation for example

next day same Number is update with some field

I need to update only those field value in servicenow it should not create another record with the duplication in servicenow

[Sohail Khilji]

Use if else condition to define when to insert and when to update in script logic.

[ARAVINDA11]

The update should happen via flow not in BR