Forum Post: AddUserToRecordTeam Web Api Action returns "Bad Request"

Hi everyone, I am trying to programmatically add users to record access team, below is the request that returns `Bad Request` response, please advise - (CRM Version 8.1.1.1707) Online, plugin is not a an option var parameters = {}; var record = {}; record.primarykeyid = "E331BB99-3329-E811-8136-480FCFEB2AF1"; record["@odata.type"] = "Microsoft.Dynamics.CRM.new_test_entity"; parameters.Record = record; var teamtemplate = {}; teamtemplate.primarykeyid = "bcddd715-b211-e811-8130-480fcfea0021"; teamtemplate["@odata.type"] = "Microsoft.Dynamics.CRM.teamtemplate"; parameters.TeamTemplate = teamtemplate; var req = new XMLHttpRequest(); req.open("POST", Xrm.Page.context.getClientUrl() + "/api/data/v8.1/systemusers(DAFDD716-59AF-E711-8127-480FCFEA2141)/Microsoft.Dynamics.CRM.AddUserToRecordTeam", true); req.setRequestHeader("OData-MaxVersion", "4.0"); req.setRequestHeader("OData-Version", "4.0"); req.setRequestHeader("Accept", "application/json"); req.setRequestHeader("Content-Type", "application/json; charset=utf-8"); req.onreadystatechange = function() { if (this.readyState === 4) { req.onreadystatechange = null; if (this.status === 200) { var results = JSON.parse(this.response); } else { Xrm.Utility.alertDialog(this.statusText); } } }; req.send(JSON.stringify(parameters));