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Kimberly Aronson Apex Trigger for Child Object Changes
How do I create and apex trigger to update a chatter feed post based on the child object changes
Miguel Nuñez Díaz-MontesYou should create it directly in the child object, filtering the only changes you want and updating the chatter feed on the parent object. This parent object can be selected using the relationship field, (for example, Case.ParentId for getting the parent case of a child case)