Provisioning erro not communicating internal script

Hi! I’m new here.

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I would like more examples of calling the ext() function.
I have an internal script that makes api requests and returns a promise with the values, resetPppp(serialNumber). In the acs is ext(‘cpe-config.js’, ‘resetPppoe’, serialNumber);. but it seems that they are not communicating, it is not reaching my internal script


My acs don’t have config directory, could someone send me examples?

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is that so ? grateful