Get Row Index of Dataset Tag

[JordanCClark]

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Issue with lookup() in tag change script

I'm trying to use lookup() in a tag change script to assign a string value to a memory tag based on the results of a lookup in a dataset tag. My script is showing an error in the Ignition gateway and is not running. I suspect it is a syntax error with the way I am referencing the dataset tag. I tried running the script with line 3 commented out (and writing a random value to dl_fx instead of 'dl_ID_line1'), and the script was able to run fine. For context, [edge]CLICK_values/Line1/DL_ID is eq…