MQL4 Reference 
Custom indicators SetLevelValue
| void SetLevelValue( |
int level, double value) |
The function sets a value for a given horizontal level of the indicator to be output in a separate window.
Parameters:
| level |
- |
Level index (0-31). |
| value |
- |
Value for the given indicator level. |
Sample:
SetLevelValue(1,3.14);
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