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Let's take a look at how you can update existing values in a sheet. It’s another common scenario that can be used for a variety of tasks (e.g. limiting the number of submissions for a particular form or creating a sequentially increasing counter). We’ll use this sample Google Sheet to discuss. It has a row for each employee: Employee Id, Location and Extension.

Info

First, it’s important to note that Google Sheets is not a transactional system like a database and results can be unpredictable if multiple users update the same Sheet at the same time.

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  1. It’s triggered by clicking on the Update Google Sheet button.
  2. We setup headers and an update query using your access token and spreadsheet key (the long ID in the URL of the Google Sheet). In this example, the name of the Google Sheet tab is Locations. Change the wsname= parameter to the name of your Google Sheet tab if you named the tab something different.
    1. On Premise customers need to also specify the server and port where their Google Connector is hosted. The updatequery url will start with  '<YourServer:Port>/google/spreadsheets/'.
  3. Add var params to identify the column names and control values that will update them.
  4. Add var updateparams to convert the params to a string. Notice that this method uses the parameter '&updatesjson=' to exchange data to/from the Google sheet. When sending data in this manner, the data has to be a string, so we also use the function JSON.stringify(<json variable>) to convert it.
  5. Run the update – perform an http.put() and eval the results.
Tip

The column name on a Google sheet must match the control name. The matching is case-insensitive and any spaces in the column name are ignored. A control named "FirstName" matches a column header "first name." However, references to Google Sheet columns in your rule must be lower case and cannot contain spaces. The correct reference for this example is "firstname."

Note

Reserved characters in a URL need to be encoded. The example above uses the encodeURIComponent function in JavaScript for every parameter value and invoke the http function with the extra encode parameter set to false.

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