[
    {
        "listen": "prerequest",
        "script": {
            "type": "text/javascript",
            "exec": [
                "const domain = pm.environment.get('domain') ? pm.environment.get('domain') : pm.collectionVariables.get('domain')",
                "const tokenUrl = 'https://' + pm.environment.get('tenant') + '.api.' + domain + '.com/oauth/token';",
                "const clientId = pm.environment.get('clientId');",
                "const clientSecret = pm.environment.get('clientSecret');",
                "",
                "const getTokenRequest = {",
                "    method: 'POST',",
                "    url: tokenUrl,",
                "    body: {",
                "        mode: 'formdata',",
                "        formdata: [{",
                "                key: 'grant_type',",
                "                value: 'client_credentials'",
                "            },",
                "            {",
                "                key: 'client_id',",
                "                value: clientId",
                "            },",
                "            {",
                "                key: 'client_secret',",
                "                value: clientSecret",
                "            }",
                "        ]",
                "    }",
                "};",
                "",
                "",
                "var moment = require('moment');",
                "if (!pm.environment.has('tokenExpTime')) {",
                "    pm.environment.set('tokenExpTime', moment());",
                "}",
                "",
                "if (moment(pm.environment.get('tokenExpTime')) <= moment() || !pm.environment.get('tokenExpTime') || !pm.environment.get('accessToken')) {",
                "    var time = moment();",
                "    time.add(12, 'hours');",
                "    pm.environment.set('tokenExpTime', time);",
                "    pm.sendRequest(getTokenRequest, (err, response) => {",
                "        const jsonResponse = response.json();",
                "        if (response.code != 200) {",
                "            throw new Error(`Unable to authenticate: ${JSON.stringify(jsonResponse)}`);",
                "        }",
                "        const newAccessToken = jsonResponse.access_token;",
                "        pm.environment.set('accessToken', newAccessToken);",
                "    });",
                "",
                "}"
            ]
        }
    },
    {
        "listen": "test",
        "script": {
            "type": "text/javascript",
            "exec": [
                ""
            ]
        }
    }
]