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How to read values from datatable and set it in variables using Power Automate Desktop

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Posted on by SparkLight

I have a datatable which is created by extracting data from webpage. I want to store the values from the table into variables, the datatable has 3 rows, 1 column

#	results
0	Alen
1	John
2	Eric

I want to read the contents and save it in variables which can be used for further data processing in power fx query. I have tried using %Datatable% with indexing but nothing seems to work.

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Power Automate Desktop

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Daniel Bocklandt 5,099 Super User 2025 Season 2 on at

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Hey @SparkLight,

What you need is the index function.

Look at my test :
ClearCollect(colTest,Table({'#':0,Result:"Test1"},{'#':1,Result:"Test2"},{'#':2,Result:"Test3"})); Set(var1,Index(colTest,1).Result); Set(var2,Index(colTest,2).Result); Set(var3,Index(colTest,3).Result);

The Clearcollect is to mimic your table and then you can create the variables.
If you know tht it's always three records this is the easiest way there is to achieve what you need.

If this solvede your porblem please accept it as solution so others can find it as well.
If it helped in any other way consider liking it so we can keep supporting eachother.

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Deenuji_Loganathan_ 6,250 Super User 2025 Season 2 on at

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Hi @SparkLight,

Please follow the below sample flow and approach for your reference:

Code(Copy and paste the below code into your power automate desktop):

WebAutomation.LaunchEdge.LaunchEdge Url: $fx'https://afd.calpoly.edu/web/sample-tables' WindowState: WebAutomation.BrowserWindowState.Maximized ClearCache: False ClearCookies: False WaitForPageToLoadTimeout: $fx'=60' Timeout: $fx'=60' PiPUserDataFolderMode: WebAutomation.PiPUserDataFolderModeEnum.AutomaticProfile TargetDesktop: $fx'{"DisplayName":"Local computer","Route":{"ServerType":"Local","ServerAddress":""}}' BrowserInstance=> Browser WebAutomation.ExtractData.ExtractHtmlTable BrowserInstance: $fx'=Browser' Control: $fx'html > body > div:eq(1) > div:eq(0) > table:eq(1)' ExtractionParameters: {[$fx'Name', $fx'Telephone', $fx'Email', $fx'Office'], [$fx'', $fx'', $fx'', $fx''] } PostProcessData: False TimeoutInSeconds: $fx'=60' ExtractedData=> DataFromWebPage LOOP FOREACH CurrentItem IN $fx'=DataFromWebPage' SET Firstcolumn TO $fx'=Index(CurrentItem, 1)' END

Thanks,
Deenuji Loganathan 👩‍💻
Power Automate Desktop Community Champion 🤖
Follow me on LinkedIn 👥

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SparkLight 14 on at

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Hi Deenu,

Thank you for the response :)

It worked!! however, how can I use these values inside the list rows query for power automate

for ex,

(contains(unq_entity/unq_name, #value 1 from datatable#) and unq_entity/unq_postcode eq value 2)

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eetuRobo 4,204 Super User 2025 Season 2 on at

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Since you are using Power Automate Desktop with Power Fx enabled you can't use the regular PAD syntax with percent signs. So normally you could read "Eric" from your example by using %DataTable[2]['result']% but Power Fx does not work with that syntax.

With Power Fx you can read cell item with ReadCell(DataTableName, RowIndex, ColumnIndex)
In your example to get "Eric":
=ReadCell(DataTable, 1, 2)

Then you could loop it by having LoopIndex variable in the RowIndex position. Like so:
=ReadCell(DataTable, LoopIndex, 2)

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Deenuji_Loganathan_ 6,250 Super User 2025 Season 2 on at

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It worked!! however, how can I use these values inside the list rows query for power automate

for ex,

(contains(unq_entity/unq_name, #value 1 from datatable#) and unq_entity/unq_postcode eq value 2)

Hi SparkLight,

Are you asking how to read these values in Power Automate cloud flows? If possible, please share a screenshot of what you are referring to for our understanding.

Thanks,

Deenu

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SparkLight 14 on at

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Deenuji_Loganathan_ 6,250 Super User 2025 Season 2 on at

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Hi SparkLight,

First, list your Dataverse rows without any filter to display the data as follows:

Copy the schema name of your Dataverse column (for example, 'cr1dd_patientname') and place it in the filter rows. Then, add the value of your datatable column using the format '$(variablename)'.

Thanks,
Deenuji Loganathan 👩‍💻
Power Automate Desktop Community Champion 🤖
Follow me on LinkedIn 👥

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SparkLight 14 on at

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Hi Deenu,

Thank you for the response. I have managed to do all this but there is a problem in reading the related entity attribute :(

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Deenuji_Loganathan_ 6,250 Super User 2025 Season 2 on at

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Hi @SparkLight,

I hope I have addressed your original issues (reading values from a datatable) in the Power FX-enabled flow. If my answer has helped you resolve your issues, please consider marking that answer for this topic.

In case if you require any further assistance on the same flow, please feel free to write back with full issue details.

Thanks,
Deenuji Loganathan 👩‍💻
Power Automate Desktop Community Champion 🤖
Follow me on LinkedIn 👥

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SparkLight 14 on at

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Hi Deenu,

Thank you for the solution to the original post and it worked :)

Another problem which I am facing is to read the related entity's attribute using dataverse in power automate desktop.

I am using below fetchquery to read the related entity attribute but its throwing error

<fetch version="1.0" output-format="xml-platform" mapping="logical" distinct="true">
<entity name="account">
<attribute name="name" />
<attribute name="industrycode" />
<attribute name="emailaddress1" />
<attribute name="accountnumber" />
<attribute name="accountid" />
<order attribute="name" descending="false" />
<link-entity name="contact" from="parentcustomerid" to="accountid" link-type="inner" alias="ad" />
<link-entity name="activitypointer" from="regardingobjectid" to="accountid" link-type="inner" alias="ae" />
<link-entity name="contact" from="contactid" to="primarycontactid" visible="false" link-type="outer" alias="a_410707b195544cd984376608b1802904">
<attribute name="emailaddress1" />
</link-entity>
</entity>
</fetch>

This is what I have used to read emailaddress of contact
${First(ListRecordsWithOrganizationResponse.value).ad.emailaddress1}

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