%COMMENT% without parameters shows a simple text box.
%COMMENT{}% can handle the following parameters:                 | Parameter | Description |  Default |      
|---|---|---|
 target  |      Name of the topic to add the comment to | the current topic | 
 default  |      Default text to put into the textarea of the prompt. | |
 location  |      Regular expression specifying the comment location in the target topic. Read carefully the CommentPlugin documentation! | |
 mode  |       For compatibility with older versions only, synonymous with type  |      |
 emailto  |      Send comment by email. Use comma "," to seperate multiple email addresses. This feature is disabled by default. To enable this feature, please set up "$TWiki::cfg{Plugins}{CommentPlugin}{EmailEnabled} = 1;". | |
 nonotify  |      Set to "on" to disable change notification for target topics |  "off"  |      
 noform  |       Set to "on" to disable the automatic form that encloses your comment block - remember to insert <form> tags yourself! See CommentPluginExamples#noform for an example.  |       "off"  |      
 nopost  |      Set to "on" to disable insertion of the posted text into the topic. |  "off"  |      
 remove  |      Set to "on" to remove the comment prompt after the first time it is clicked. |  "off"  |      
 type  |      This is the name of the template to use for this comment. Comment templates are defined in a TWiki template - see customization. If this attribute is not defined, the type is whatever is defined by COMMENTPLUGIN_DEFAULT_TYPE, either in this topic or in your WebPreferences. |  "below"  |      
 button  |      Button label text |  "Add comment"  |