How can i bring splash or loader in doctype.js file. or py file

[MOHAMMED_JASEEFAR]

I used this approach .
frappe.show_progress(__(‘Adding users…’), 90, 100, ‘Please wait for a while…’, true);
frappe.hide_progress();

i am lokking for better approach. when large data is loaidng from api and appending to child table taking time so need loader. any suggestion ?

[ejaaz]

You can use freeze: true in an API call and also pass freeze_message to show a message.