Supply chain | Supply Chain Management, Commerce

Add reason code and sub reason code in D365 warehouse management mobile app

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Posted on by rajeev tiwari

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Hi All,

While receiving products from load item receiving menu item

I need to add 2 combobox i.e customisation and on the selection of reason in the combobox, associated reason code to be populated in the sub reason combobox in d365 warehouse mobile device app.

Reason

Sub reason

Reason

Damage

Sub reason

Side Damage

Front Damage

Broken product

Reason

packaging issue

Sub Reason

No packing done by supplier

Packing not proper by supplier

Package damaged while unloading

I am not able to find the event to trigger the lookup value of first drop-down to populate value in another sub reason combobox.

Please help.

Categories:

Dynamics 365 Supply Chain Management

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DAnny3211 11,397 on at

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Hi Rakesh,

To implement dependent dropdowns (Reason → Sub Reason) in the D365 Warehouse Management mobile app, you'll need to customize the Mobile Device Menu Items and extend the logic using X++ or Warehouse Mobile Device Portal (WMDP) if you're using an older version.

Here’s a general approach:

Create Custom Fields: Add two custom fields (Reason and Sub Reason) to the mobile form using the WHSMobileAppFormExtension.

Use Form Control Events: In your extension, override the modified event on the Reason field to trigger a lookup or filter for the Sub Reason field.

Populate Sub Reason: Based on the selected Reason, filter the Sub Reason values using a lookup method or a query that maps the relationship.

Use a Mapping Table: Create a table that stores Reason → Sub Reason mappings. This makes it easier to maintain and extend.

Deploy and Test: Ensure the mobile app reflects the changes and test the dropdown behavior during load item receiving.

Let me know if you'd like help with sample code or setting up the mapping table!

Best regards,
Daniele

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rajeev tiwari 434 on at

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Hi Daniele,

I have attached the image of the dropdown and on selection of the value , i need to enable/disable the qty field and populate some additional data on other fields.

Not able to find the events where to write the code , it will be great,if you can help me with some sample code .

image (8).png

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André Arnaud de Cal... 300,777 Super User 2025 Season 2 on at

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Hi Rajeev,

Unfortunately, the reply from Danny3211 seems to be drafted using AI where AI is providing incorrect information. The object WHSMobileAppFormExtension does not exists. You can try to copy or extend the current class used for this process. Using the modified event to open a lookup is not common practice.

Do you already have a data model where you can set up the reasons and their related sub reasons?

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