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How to use functions in Flow

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Posted on by manlamcheng

Are there functions that I can use withing Flow ? eg. substring, length, math functions

I tried to add "@substring('hello world',2,3)" in an email body, the flow just stopped, and email body becomes uneditable afterward,

I tried to use a variable and set it to the above function, then use the variable in the email, it just simply send the whole text

please advice

Thanks !

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Using flows

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v-micsh-msft Microsoft Employee on at

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Hi @manlamcheng,

Yes, we could take use of Workflow Definition Language to work with Microsoft Flow.

Take a look at the following blog:

Using the Azure Logic Apps Workflow Definition Language (WDL) in Microsoft Flow

For the function usage, you could find the function reference through the article below:

https://docs.microsoft.com/en-us/azure/logic-apps/logic-apps-workflow-definition-language

Regards,

Michael

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manlamcheng 14 on at

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I tried put something like this on an email body, it simply send me the same string

test "@concat('hello','world')"

then I went back into edit the flow, the email body became uneditable and I had to delete the action and re-did it

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manlamcheng 14 on at

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I used Compose action, seems working fine

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efialtes 350 on at

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@manlamcheng I could't also manage to make concat work... I failed to make this expression work and it was driving me crazy:

"@concat(variables('HTMLTable'),'<tr> <td>',item()?['Aplicación'],'</td> <td>',item()?['Version_x0020_Name'],'</td> <td>',item()?['Version_x0020_Code'],'</td> <td">',item()?['Testing_x0020_Level'],'</td> <td>',item()?['Acción_x0020__x002f__x0020_Status'],'</td> </tr>')"

So finally I tried with "Compose" action block and it worked fine.

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