Insert a line into the material {jgcat catid=... imgid=... itemid=... tmpl=...}
catid
id of the JoomGallery category. Required.
itemid
Id of the JoomGallery component menu item. Optional parameter. If you have only one menu item for JoomGallery, then itemid is not necessary. If there are several menu items, then you need to specify itemid in the shortcode of the plugin in order to get the correct SEF link.
imgid
id of JoomGallery image. Optional parameter. This can be the id of any image, not only from the displayed category.
If imgid is not specified, then a thumbnail from the category settings is displayed.
If the thumbnail is not specified in the category settings, then the thumbnail of the first image of the category is displayed.
tmpl
Optional parameter. Output template. The templates are located in the plugins folder plugins/content/jgcat/tmpl/ Available Templates
default - for self-decoration through CSS
Bootstrap 4
You can create your own template and place it in the folder with the rest of the templates.
Link text 'Details'
It changes either in the administrator/languages/en-GB/en-GB.plg_content_jgcat.ini language files, or through the redefinition of Joomla language constants. Language constant PLG_JGCAT_TMPL_VIEW_MORE_TEXT
Pay attantion
A plugin can take from the category description not all the text, but enclosed in specific tags <ol> </ol>, <ul> </ul>, <span> </span>, <div> </div>.