Error Message -- Demo

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This script is proof of concept to display an “error message” to provide user feedback when valid, but non-logical variables are input by the end user. In this example, the user enters a lower limit that is greater than the upper limit. The Pinescript user input box allows input types and min/max values, but it does not allow input conditions like (Upper > Lower) for each variable. This script evaluates the user input and determines if the variables are logical. If not, it will print an error box using the new Pinescript table function.

This is a demo only – there are no signals, strategies, or alerts. Hopefully, some pinescripters will find this idea useful and expand on the concept.


User inputs an Upper Limit that is lower than the Lower Limit – error message displayed.


User inputs logical Upper and Lower Limits (Upper Limit is greater than Lower Limit) – normal plots.