Introduction Below is the Syntax that’s available to create, delete, update a record in Dynamics 365 Online V9.X using JavaScript. Create record (Client API Reference) Below is the Syntax that’s available to create a record in Dynamics 365 Online V9.X using JavaScript Syntax : Xrm.WebApi.createRecord(entityLogicalName, data).then(successCallback, errorCallback); Implementation : Let’s take an example where you would like to Create the Account record. // define the data to create new accountvar data = { “name”: “Sample Account”, “creditonhold”: false, “address1_latitude”: 47.639583, “description”: “This is the description of the sample account”, “revenue”: 5000000, “accountcategorycode”: 1 }// create account recordXrm.WebApi.createRecord(“account”, data).then( function success(result) { console.log(“Account created with ID: ” + result.id); // perform operations on record creation }, function (error) { console.log(error.message); // handle error conditions }); Update record (Client API Reference) Below is the Syntax that’s available to update a record in Dynamics 365 Online V9.X using JavaScript Syntax :  Xrm.WebApi.updateRecord(entityLogicalName, id, data).then(successCallback, errorCallback); Implementation : Let’s take an example where you would like to Update the Account record. // define the data to update accountvar data = { “name”: “Updated Sample Account “, “creditonhold”: true, “address1_latitude”: 47.639583, “description”: “This is the updated description of the sample account”, “revenue”: 6000000, “accountcategorycode”: 2}// update the recordXrm.WebApi.updateRecord(“account”, “5531d753-95af-e711-a94e-000d3a11e605”, data).then( function success(result) { console.log(“Account updated”); // perform operations on record update }, function(error) { console.log(error.message); // handle error conditions }); Delete record (Client API Reference) Below is the Syntax that’s available to delete a record in Dynamics 365 Online V9.X using JavaScript Syntax : Xrm.WebApi.deleteRecord(entityLogicalName, id).then(successCallback, errorCallback); Implementation : Let’s take an example where you would like to Delete the Account record. Xrm.WebApi.deleteRecord(“account”, “5531d753-95af-e711-a94e-000d3a11e605”).then( function success(result) { console.log(“Account deleted”); // perform operations on record deletion }, function (error) { console.log(error.message); // handle error conditions }); Hope this Helps ….