salix/print/templates/reports/invoice-incoterms/invoice-incoterms.js

const vnReport = require('../../../core/mixins/vn-report.js');
const UserError = require('vn-loopback/util/user-error');

module.exports = {
    name: 'invoice-incoterms',
    mixins: [vnReport],
    async serverPrefetch() {
        this.invoice = await this.findOneFromDef('invoice', [this.reference]);
        this.checkMainEntity(this.invoice);
        this.client = await this.findOneFromDef('client', [this.reference]);
        this.incoterms =
            await this.findOneFromDef('incoterms', [this.reference]);
        if (!this.incoterms)
            throw new UserError(`The address of the customer must have information about Incoterms and Customs Agent`);
    },
    props: {
        reference: {
            type: String,
            required: true,
            description: 'The invoice ref'
        }
    }
};