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Regular Visitor

Multiple variable initialization in single block

Is there way to initialize Multiple variable in single block ?

currently i am using initialize variable block for each variable declaration ? when i have more 10 variables its congested.

instead of code flow its more of variable flow 😞

any workaround for this ? also not able to find documentation for this.kindly help.






Most Valuable Professional
Most Valuable Professional


Doing what you want would require a loop and you can't declare a variable inside of a loop.  Consider using Compose actions in place of your variables where possible - many times Compose actions can replace a variable and are much more efficient.



If I have answered your question, please mark your post as Solved.
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Hi @samsundar ,


You can use Parse Json action to define multiple variables . I just declared this object :

Content : 

"fromEmail": "",
"replyToEmail": "",
"libraryId": 1,
"messageId": 2



Schema : 


    "properties": {
        "fromEmail": {
        "replyToEmail": {
        "libraryId": {
        "messageId": {
I am able to use it further 

@ManishJain does this solution works for changing/dynamic values as well ? i dont have fixed values for variables some of changes based on output response from mail.

when i tried this unable set variables.

Not applicable

This is a great solution !

Thank you very much.


Regular Visitor



You can put all your variables into a single action/block. You are able to initialize object variable and put a json with all your variables. Also you can dynamically get or set any part of your object/json variable. 

Here is an example




Hi @dimonser

How would you set object properties in this variable?

The video doesn't mention it.

I also have general doubts about the quality of this channel's content.


However, I would be afraid of flows with 10+ constantly changing variables 😉

You can call setProperty() method inside the experssion to modify the specific property of an object.


Thank you for the feedack for my channel 😂. I am trying to build fully automated learning videos on c# with the AI generated teacher + lips sync, content and background videos. Just in the beggining of my way.




Does this change the variable? 😉

For clarification:

You can not (AFAIK) modify an object variable directly.

setProperty function returns a new object.


And if you try to set an object variable with setProperty you get an error.

"Self reference is not supported when updating the value 'testObj'"

Do I miss something?




Of course, I could first read the variable into a compose action and use that as the "set variable" value:

setProperty(outputs('Compose_2'), 'test', 2)

But that seems pretty weird to me, self-reference should definitely be built in 😉

Hi, I need to create more than 60 initialize variables; they all have to have the same value and type, but different names. Is it possible for me to have a single initialize variable that would cover all names?



Do they even have to be variables? Do you change the values?

You could think about using one object for everything (in a Compose or - if you want to use the values via dynamic content - in a Parse JSON as shown below).




I appreciate your quick response. Indeed, the value does change. The pictures are saved in folders when a user submits an MS form. I'm attempting to locate the appropriate picture in that folder, add it to HTML, and then turn HTML into a PDF file. I started by initializing each image's variable, then I obtained the file contents, and lastly, I set the variable. To reduce the number of actions, I need to combine/loop the initialize variables, is it possible to create one initialize variable with more than one name?




You can use this pattern:

Initialze one object variable "Images"

and whenever you need to change a value, use a Compose "TmpImages" to create the new object


setProperty(variables('Images'), 'image1-1', 'test1-1.jpg')


and store its outcome in this variable


Access a value with





I appreciate your response. I attempted your solution, but it was unsuccessful. Respondents can attach one image to each of the 76 questions on the submitted Microsoft forms, a total of 76 images in 76 different questions. First, I created an initialize variable for each image, and then find the property in the folder and show the image in PDF file. This process is working, my sole concern is: Is it feasible to define a single initialize variable that can store 76 distinct names of the same type and value?

Multi Super User
Multi Super User

My workaround is to create Parallel Branches for the Initialize Variables. I have made a YouTube video that explains

Please Accept as Solution if it solves your question. Or just give it a Thumbs Up if it is helpful as can help others.


Darren Lutchner - 365 Assist


Did you ever find resolution to this?


I just want to initialize a variable as an object with multiple values, then have a set variable that has the values from the object

EG I have one InitObjectVar called "Config" the 3 values something like {""Name": "Jon", "LastName":"Jonson", "Age" "43"} under this InitVar, I want to SetVar, but it's not listed as a variable

How would you replace them as compose if they contain dynamic data? Example I initialize a variable to get the email address of who created the list item. I use that later on to send an email if they meet a criteria.

Probably a long winded way to do it but that was the only way I could figure out.

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