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Update Child Records in a One:Many Relationship in Dynamics 365

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Posted on by Community Member Microsoft Employee

Hi, basically what I'm trying to do is on my 1 entity (Account), whenever I change a certain lookup field (Primary Contact),I want it to also update the Primary Contact lookup field on all N related Entities (Projects). I tried mapping them but it seems to work only on create which means that if the value in Account is changed it wont update the value in all its related Projects.

Thanks in advance !

Edit : Is it possible to create a javascript that updates all the child entities within the parent entity using Web API?