he taiyo1578,
check the ManagerManager docs for Widgets (inside the plugin folder)
Changes the manager widget for this text field to tag-friendly format - e.g. it will display a clickable list of all other tags which have been used for this field.
$fields: The name(s) of the template variables this should apply to. Can accept multiple field separated by a comma. [Required]
$delimiter: Which character separates individual tags within this field [Optional - default is comma)
$source: The names(s) of the template variables the list of tags should come from. This allows the list of tags to come from a different field that the widget. By default it uses all the TVs listed in $fields [Optional - default is same as $fields]
$display_count: Display the number of documents using each tag (in brackets after it) [Optional - boolean - default is false]
$roles: comma separated list of role IDs this should be applied to. Leave empty (or omit) for all roles [Optional - default is all]
$templates: comma separated list of template IDs this should be applied to. Leave empty (or omit) for all templates [Optional - default is all]
mm_widget_tags('docTags'); // Adds the tag editing widget to the docTags template variable wherever it appears
mm_widget_tags('docTags,blogTags'); // Adds the tag editing widget to the docTags and blogTags template variables wherever they appear - making all previous values from both template variables available in both tags
mm_widget_tags('docTags', ',', '', '1', '', '2'); // Adds the tag editing widget to the docTags template variables in template 2, and shows the number of times each tag has been used
Note: TV(s) must be a text input field