we have a parent process and child sub process . we have end terminate node on the sub process. Parent is not getting terminated when sub process is reached end-terminated node.

here is the documentation link , please refer None and Terminate nodes

There are 2 types of nodes 1. None 2. terminate .

https://access.redhat.com/documentation/en-us/red_hat_process_automation_manager/7.5/pdf/process_designer_business_process_model_and_notation_bpmn2_reference_guide/Red_Hat_Process_Automation_Manager-7.5-Process_designer_Business_Process_Model_and_Notation_BPMN2_reference_guide-en-US.pdf

Terminate
The terminate end event finishes all execution flows in the specified process instance. Activities being executed are canceled. If a terminate end event is reached in a subprocess, the entire process instance is terminated