Set Select to second Drop down if there are more than 1 value in Cascading Dropdown in Infopath

Question

Set Select to second Drop down if there are more than 1 value in Cascading Drop down in Info path.
For Ex: I have 2 Drop downs: Location and Work Location. Work Location is added as data connection.
When I select Location, if the Work Location retrieved is only 1 value - then set it to that value
When I select Location, if the Work Location retrieved > 1 value, add select in the begining

Answer 1

You will need to set up two additional lists and provide the choices as list items, apart from this one list you are building the Cascading dropdown.

Here are some links with tutorials you can refer to for this requirement:
Cascading Dropdown in SharePoint List using Infopath Forms.
Video guidance: Cascading Dropdowns in InfoPath.

And the outcome would be:

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