Table metrics legend is set up on the side panel tabs:
The Value legend.
The Color Background legend.
The Font Color legend.
The Font Size legend.
NOTE. In regular report, the legend is added by using the Legend drop-down menu button of the Charts group on the Insert ribbon tab. Legend setup is available on the Legend Parameters side panel tab after selecting a legend in the workspace.
Tabs' contents is identical:
The following settings are available for table legends:
See also: