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Anonymous
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Why is this expression invalid?

Can anybody help me troubleshoot this expression? I'm just not seeing where the problem is. I also can't get the tooltips thing to show up in the expression editor to help me.
 
If(greater(variables('Conduct2'),50),null,concat('<img src=',variables('firebrick'),' height="25" width="',string(sub(50,(variables('Conduct'))),'">'))
 
Thanks.
1 ACCEPTED SOLUTION

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Community Support
Community Support

Re: Why is this expression invalid?

Hi @Anonymous,

 

It seems that you are trying to concat a URL of an image.

I have tested the following code, please check it for a reference:

if(greater(variables('Conduct2'),50),'',concat('<img scr="',variables('firebrick'),'"','height="25" width="',string(sub(50,variables('Conduct'))),'">'))

Please take a try with it on your side.

 

Best regards,

Mabel

Community Support Team _ Mabel Mao
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

View solution in original post

2 REPLIES 2
Highlighted
Community Support
Community Support

Re: Why is this expression invalid?

Hi @Anonymous,

 

It seems that you are trying to concat a URL of an image.

I have tested the following code, please check it for a reference:

if(greater(variables('Conduct2'),50),'',concat('<img scr="',variables('firebrick'),'"','height="25" width="',string(sub(50,variables('Conduct'))),'">'))

Please take a try with it on your side.

 

Best regards,

Mabel

Community Support Team _ Mabel Mao
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

View solution in original post

Highlighted
Anonymous
Not applicable

Re: Why is this expression invalid?

Thanks Mabel,

I see the problem now. I was trying to use the single quote variant of the <img> tag (because the variable I'm refrencing is a data URI), forgetting that I need to use an escape character '' , or else Flow thinks it's part of an expression, rather than a string.

Your way, with the double quotes, also works, but if you're trying to embed your image with a data URI, you need 2 single quotes in a row.

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