I have implemented CRM activity on the Custom page where the Key Field is SOOrder Type, SOOrder Nbr & Job Code which are stored in custom DAC. I have tried to add the Entity Type listed on Related Entity to tag the job code to activity and I am not able to figure out how to do it. Pls let me know where to add or override the method to Implement the functionality
![](https://uploads-us-west-2.insided.com/acumatica-en/attachment/0d9bd095-7cdc-4f74-a000-8b2d8c1ccfb5.png)