JavaScript code snip to add a Meraki client to a Group Policy.

meraki-api-group-policy

// Set Variables
var apiKey = "";
var shard = "";
var netId = "";
var policyId = "";
var clientMac = inputData.clientMac;

// API Call
var headers = {
    'X-Cisco-Meraki-API-Key': apiKey,
    'Accept': 'application/json',
    'Content-Type': 'application/json'
};
var urlPolicy = "https://"+shard+".meraki.com/api/v0/networks/"+netId+"/clients/"+clientMac+"/policy?timespan=84000";

// Assign Policy via Meraki API
fetch(urlPolicy, { 
  method: 'PUT',
  headers: headers,
  body: JSON.stringify({
        "devicePolicy":"group",
        "groupPolicyId":policyId
    })
})
  .then(function(res) {
    console.log("Meraki res: "+res);
    return res.json();
  })
  .then(function(json) {
    callback(null, json);
  })
  .catch(callback);