After adding the Content Slider Block, select the block you will see the settings in the sidebar. How sidebar settings will appear for a block.

There are three tabs to configure the Content Slider Block, General, Options, and Style.
After adding the Content Slider Block, select the block you will see the settings in the sidebar. How sidebar settings will appear for a block.
There are three tabs to configure the Content Slider Block, General, Options, and Style.