Assert ( boolean condition, Any message);
Default values:
message: "assert failed"
Description
Throws a runtime error message in case the specified condition is false. The error message can be viewed by clicking Exclamation indicator in the top left corner of the chart.
Input parameters
| Parameter | Default value | Description |
|---|---|---|
| condition | - | Defines condition upon which the error message is displayed. |
| message | "assert failed" | Defines the text of error message. |
Example
input percent = 5.0;
Assert(percent > 0.0, "percent must be positive");
plot UpperBand = (1 + percent / 100 ) * close ;
plot LowerBand = (1 - percent / 100 ) * close ;
If "percent" input parameter is not a positive value, study plots are not displayed and Exclamation indicator appears.