Setting Default DAX Value If Lookup Is Blank

[Anonymous]

I am creating a "Shipping ETA" DAX column on an Orders table. This table is linked to a Ship Time table by warehouse code.

In this shipping time lookup table, I want to have a default value if the warehouse code is not listed in the table, so I have the following table fields and sample values:

Orders  

Order #, Warehouse, Ship Date, Shipping ETA

1234, AAA, 1/1/2021, 1/8/2021

4567, BBB, 1/1/2021, 1/15/2021

7890, CCC, 1/1/2021, 1/22/2021

Ship Time 

Warehouse, Shipping Days

AAA, 7

BBB, 14

DEFAULT, 21

The reason for this table is that there are many other warehouses but I want to override the shipping times for these two warehouses while not hardcoding the shipping time within the report.

I know this syntax is incorrect, but hopefully it gives an idea what I'm shooting for:

Shipping ETA = if(isblank(related(Ship Time.Warehouse)),Ship Time.Warehouse = "DEFAULT",)
Ship Date + related(Shipping Days)

[parry2k · Accepted solution]

@Anonymous if I understood correct, you want to add 21 days (default # of days) when warehouse not found in ShipTime table, if this is correct understanding then try this:

Shipping ETA = if(isblank(related(Ship Time.Warehouse)),LOOKUPVALUE ( Ship Time.[Shipping Days], Ship Time[Warehouse], "Default" ),
 related(Shipping Days)
+ Ship Date 

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[Anonymous]

Thank you! LOOKUPVALUE was the function I was looking for.

Shipping ETA = if(isblank(related(Ship Time.Warehouse)),LOOKUPVALUE ( Ship Time.[Shipping Days], Ship Time[Warehouse], "Default" ) + Ship Date,
 related(Shipping Days)
+ Ship Date