Hi John,
Thank you for contacting Syncfusion support.
We have looked into the reported query and your requirement “To display different icons for different children based on some field” can be achievable in EJ2 TreeView. We have prepared a sample for setting different icons for different children based on some field by using nodeTemplate property.
Please find the sample from the following link.
Help Doc link:
Could you please check the above sample and get back to us if your requirement is not fulfilled or need further assistance?
Regards,
Silambarasan