Extending Microsoft Dynamics 365 for Operations Cookbook

How to do it...

To create a query function, follow these steps:

1. Create a new class in the project and name it ConQueryRangeFunctions.
2. To add a query function to the class, in this case, to get the current worker record ID, write the following lines of code:

[QueryRangeFunction] public static str CurrentWorkerNum() {     RefRecId currentWorkerRecId =              HcmWorkerLookup::currentWorker();     HcmWorker worker;     if(currentWorkerRecId == 0)     {         // if we return and empty string, it will match all          // records. So return a string that will both cause          // the no records to be found in the query range,         // but also to give the user a clue as to what          // happened. You should create this as a label,          // without spaces, us the following as an example.  return ...