Launch function syntax?

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Posted on by Cgangweg01

870 Super User 2026 Season 1

Hello!

I am not getting the launch function syntax correct. I've tried numerous things.

I want to place the item number after the last forward slash in the URL. No query string is required for the web page.

When I hardcode an item number in the URL it works fine but I want to pass the value from a text input field.

I've also tried to put TextInput1.Text inside the quotes of the URL. That did not work.

Here is my latest attempt ...

Launch("https://cert.website/itempricing/",TextInput1.Text,LaunchTarget.New)
 
TextInput1.Text = 589383
 
This is the URL when the browser tab opens:
 
https://cert.website/itempricing/?589383=_blank
 
All I need is the item number after the last / in the URL.
 
Appreciate any help!

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Building Power Apps

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Daniel Bocklandt 5,151 Super User 2026 Season 1 on at

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Hey,

The parameters are introduced corecetly. Take a look at this link:
https://learn.microsoft.com/en-us/power-platform/power-fx/reference/function-param#:~:text=A%20record%20of%20field%20values.%20For%20example%3A

I would assume that inside your Textinput1 is the number 589383. But the URL now doesnt know what to search for. You need to analyze the URL on the Website.

Maybe there is something like this:

https://cert.website/itempricing/?Item=589383

To achieve this you wouls need to create your Launch fonction like this:

Launch("https://cert.website/itempricing/",Item:TextInput1.Text,LaunchTarget.New) //Or Launch("https://cert.website/itempricing/","Item", TextInput1.Text,LaunchTarget.New)

If this solved your problem, please mark it as Solved to help others find the solution faster.
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Thanks, and happy building!

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timl 36,774 Super User 2026 Season 1 on at

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Hi @Cgangweg01

LaunchTarget.New is the default option, so there's no need to pass this option. Therefore, an easier alternative is to just do this:

Launch("https://cert.website/itempricing/" & TextInput1.Text)

This syntax will produce the following URL:
https://cert.website/itempricing/589383

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Cgangweg01 870 Super User 2026 Season 1 on at

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Hello!

Thank you both.

timl, (not sure why the at-message thing does not work for people in the thread, but it doesn't!)

I was able to use that basic & expression. Worked like a charm.

DBO DV,

Thank you for the other suggestions which obviously would work with web pages designed that way.

I wish the MS learn site had reference to the basic method for sites as such.

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timl 36,774 Super User 2026 Season 1 on at

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Hi @Cgangweg01

Thanks for the update - I'm glad that worked.

With regards to the at-message thing, I find it only works within a very short period of opening a post. If I refresh the page, click reply to post, and immediately at-message someone, it tends more likely to work.

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