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Creating custom functions or finding an alternative

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Posted on by TCh1987

Dear community,

I am currently trying to clean up some of my flows. In one of them, I use a structure template and fill it with different data depending on different decisions. So this entire structure is being copied multiple times during the flow and dynamic content is added based on the previous decisions or filters.

I'd like to create a custom function including the structure that I can call, instead of copying the entire structure code all over the place.

Simplified example:

"My name is {x} and I am {y} years old."

function_name(Lisa,20)

"My name is Lisa and I am 20 years old."

I cannot find any solutions to this problem, maybe I am looking for the wrong keywords?

Tyvm.

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Building flows

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grantjenkins 11,063 Moderator on at

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To my knowledge you can't create custom functions as such.

The only way I can think would be to create a Child Flow that took in certain input and returned the relevant output using the input you provided.

Or setting up an Office Script to do something similar, but not really designed for this sort of thing.

Can you not just use the concat expression to get what you want? Or are you trying to get around that.
concat('My name is ', variables('name'), ' and I am ', variables('age'), ' years old')

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VictorIvanidze 13,073 on at

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I doubt you are really need a "custom function".
Simplified answer is something like this JSON array:
[ {"name":"Lisa","age":20}, {"name":"Lenny,"age":30}, ... {"name":"Solomon","age":120} ]

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TCh1987 54 on at

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Hello,
thank you for your reply.
Why exactly do I need concat here? I could very well just compose the text with the dynamic content of the two variables and get the same output while keeping the structure cleaner?!

I don't think this is going to help me though. Imagine you have to fill your compose at 10 different spots in your flow and now want to make a change to your initial structure from
"My name is {x} and I am {y} years old."
to something like
"Hello, my name is {x} and I am {y} years old."
I would have to make that change at 10 different locations, hence my idea of creating a custom function where I can easily change my structure, call it and fill it with information.

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Verified answer

grantjenkins 11,063 Moderator on at

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Yea true - you could just write it directly in your Compose. I do a bit of both (direct and concat) depending on the circumstances.

As mentioned before, no easy way to create a custom function. Child flow that would require an HTTP connector (premium) that you could pass info into and get a response back, or Office Script that would do a similar thing.

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