MyFunction.js

var getPDF = async (template, data, helpers = '', header = '', footer = '') => {
    try {
        return client.render({
            template: {
                content: template,
                recipe: 'phantom-pdf',
                engine: 'handlebars',
                helpers: helpers,
                phantom: {
                    header: header,
                    footer: footer,
                    format: 'Letter',
                    orientation: 'portrait',
                    headerHeight: "2.5 cm",
                    footerHeight: "1 cm",
                    margin: {
                        "top": "1 cm",
                        "left": "0.5 cm",
                        "right": "0.5 cm",
                        "bottom": "1 cm"
                    },timeout: 9480000
                }
            },
            data: data,
            options: {
                reports: {
                    "save": true
                }
            },
        });
    } catch (error) {return error;}
};