I'm trying to use a button to link to a URL and pass a value from a data source. I'm struggling to find any documentation on how to do this, and my random guesses at how to build the expression are not fruitful!
Could anyone point me in the right direction?
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I'm trying to build an expression that will include multiple field values based on selected map features. So it would look something like: https://mylink/....objectids=186,171
So far what happens is my string only takes the last objectid of all the features selected. is this possible?