External java file to camunda server

Hi All,
I am new camunda,need to add external js file to camunda,
where to place js file in camunda server? and what we need to add the external text filed in properties panel

@Sundar_T Take a look at these docs,

https://docs.camunda.org/manual/7.11/user-guide/task-forms/#embedded-task-forms

https://docs.camunda.org/manual/7.11/reference/embedded-forms/javascript/