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Use workbook functions in Excel

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You can use the workbook functions in Excel with Microsoft Graph to invoke any workbook function by using the following syntax: POST /me/drive/root/workbook/functions/{function-name}. You provide the function arguments in the body using a JSON object. The function's resulting value and any error strings are returned in the function result object. The error value of null indicates successful execution of the function.

For a complete list of supported functions, see Excel.Functions class. Refer to the function signature for specific parameter names and data types.

Important

  • The range input parameter is supplied using a range object instead of the range address string.
  • The index parameter is 1-indexed unlike the 0-index used in most of the APIs.

Example: vlookup

In an Excel spreadsheet, the vlookup function takes the following arguments:

  • lookup_value (required): The value you want to look up.

  • table_array (required): The range of cells where the lookup value is located. Remember that the lookup value should always be in the first column in the range for VLOOKUP to work correctly. For example, if your lookup value is in cell C2, then your range should start with C.

  • col_index_num (required): The column number in the range that contains the return value. For example, if you specify B2: D11 as the range, you should count B as the first column, C as the second, and so on.

  • range_lookup (optional): The logical value that specifies whether you want VLOOKUP to find an approximate or an exact match. Specify TRUE if you want an approximate match or FALSE if you want an exact match of the return value. If you don't specify anything, the default value will always be TRUE or an approximate match.

Inside a cell, the vlookup function looks like this:

=VLOOKUP(lookup value, range containing the lookup value, the column number in the range containing the return value, optionally specify TRUE for approximate match or FALSE for an exact match)

For more information, see the documentation for the VLOOKUP Excel function.

Request

The following example shows how to call the vlookup function and pass these parameters with the Excel REST API.

POST https://graph.microsoft.com/beta/me/drive/root:/book1.xlsx:/workbook/functions/vlookup
content-type: Application/Json
authorization: Bearer {access-token}
workbook-session-id: {session-id}

{
    "lookupValue": "Temperature",
    "tableArray": { "Address": "Sheet1!E1:G5" },
    "colIndexNum": 2,
    "rangeLookup": false
}

Response

HTTP code: 200 OK
content-type: application/json;odata.metadata

{
    "@odata.context": "https://graph.microsoft.com/beta/$metadata#workbookFunctionResult",
    "@odata.type": "#microsoft.graph.workbookFunctionResult",
    "@odata.id": "/users('f6d92604-4b76-4b70-9a4c-93dfbcc054d5')/drive/root/workbook/functions/vlookup()",
    "error": null,
    "value": "28.3"
}

Example: median

In an Excel spreadsheet, the median function takes an array of one or more input ranges.

Inside a cell, the median function looks like this example:

=MEDIAN(A2:A6)

For more information, see the documentation for the MEDIAN Excel function.

Request

The following example shows how to call the median function and one or more input ranges with the Excel REST API.

POST https://graph.microsoft.com/beta/me/drive/root:/book1.xlsx:/workbook/functions/median
content-type: Application/Json
authorization: Bearer {access-token}
workbook-session-id: {session-id}

{
"values" :  [
        { "address": "Sheet2!A1:A5" },
        { "address": "Sheet2!B1:B5" },
      ]
}

Response

HTTP code: 200 OK
content-type: application/json;odata.metadata

{
  "@odata.context": "https://graph.microsoft.com/beta/$metadata#workbookFunctionResult",
  "@odata.type": "#microsoft.graph.workbookFunctionResult",
  "@odata.id": "/users('2abcad6a-2fca-4b6e-9577-e358a757d77d')/drive/root/workbook/functions/median()",
  "error": null,
  "value": 30
}

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