How can I trigger a js event from another js function?

Question

I want to trigger a JS event from another JS function from a different file. I want to apply a discount from customer card when user will set a customer in POS. I already made a JS function which is working perfectly but its need to set customer first then needs to click another button but I want to apply this when customer will set. Is there any way to trigger event from another class function?

Cybrosys Techno Solutions Pvt.Ltd · Accepted Answer

Hi,
Try like following.
// Import this in both files
const { posbus } = require("point_of_sale.utils");
// use this inside the function where you need to trigger the action
posbus.trigger('a-unique-custom-name');
// Import this in the file where you want to receive the action
const { useBus } = require("@web/core/utils/hooks");
// Add this to the setup function of your component
useBus(posbus, 'a-unique-custom-name', this.functionName);
// define your function
Regards

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