# HistTail

Identifies the largest greyscale value from a specified range of values.

## HistTail Inputs

Parameter | Description
Structure | This argument must reference a spreadsheet cell containing a Histogram or ColorHist data structure.
FirstBin | Specifies the first "bin" (0 to 255; default = 0) used to define the Histogram.
LastBin | Specifies the last "bin" (0 to 255; default = 255) used to define the Histogram.

## HistTail Outputs

Returns | A value representing the largest greyscale value, or #ERR if any of the input parameters are invalid.