test-script.js

const EVT = require('evrythng-extended');
const evtClient = new EVT.TrustedApp(apiKey);
function onThngPropertiesChanged(event) {
    evtClient.thng(event.thng.id).action('_custom').create({
        customFields: {
            test: true
        }
    }).then(() => done()).catch(done);
}

function onActionCreated(action) {
    if (action.action.thng) {
        evtClient.thng(action.action.thng).property().update([
            {
                "key": "testrules2",
                "value": true
            }
        ]).then(() => done()).catch(done);
    } else if (action.action.collection) {
        evtClient.collection(action.action.collection).update({
            customFields: {
                testrules: true
            }
        }).then(() => done()).catch(done);
    }
}