Catching exceptions in AX 7

In this blog post, I briefly recapitulate how to throw and catch exceptions in X++ and introduce a new way of handling CLR exceptions in AX 7. X++ exceptions When you want to throw an exception in X++, you typically do it by something like this: throw error("It’s broken!"); It’s a functional equivalent of adding a …

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Flow and Logic Apps

I see a lot of confusion regarding Microsoft Flow and Logic Apps, so let me very briefly explain what they are and when you should use them. First of all, you should realize that they’re very closely related. For example, this is the designer for Flow: And this is the designer for Logic Apps: They’re …

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IoC containers for extensibility

Dynamics 365 for Operations (AX 7) tries to get rid of the ugly concept of “customizations”, when developers directly change somebody else’s code, which has a plenty of negative consequences. Most importantly, installing a new version isn’t easy, because it requires dealing with conflicts in code. There are several ways how to make a class …

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Filter for enum fields in OData service

It took me a while to figure out how to filter AX (Operations) enum fields in the URL for OData service (I was using Get records in Flow). For example, let’s say I wanted to get sales orders with status = open order. After a few failed attempts, I actually used classes generated by OData …

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OData service across companies

The OData service in Dynamics 365 for Operations returns data from user’s default company. But you can easily add cross-company=true to the URL (e.g. https://myaos.cloudax.dynamics.com/data/Customers?cross-company=true) to get data from all companies. You can also filter the query by DataAreaId field, if you want data from a specific company. But developers usually don’t construct the URL …

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