caption: action-deletefield created: 20141025120850184 modified: 20150220162042000 tags: Widgets ActionWidgets title: ActionDeleteFieldWidget type: text/vnd.tiddlywiki ! Introduction The ''action-deletefield'' widget is an [[action widget|ActionWidgets]] that deletes specified fields of a tiddler. ActionWidgets are used within triggering widgets such as the ButtonWidget. ! Content and Attributes The ''action-deletefield'' widget is invisible. Any content within it is ignored. |!Attribute |!Description | |$tiddler |The title of the tiddler whose fields are to be modified (if not provided defaults to the [[current tiddler|Current Tiddler]] | |$field |Optional name of a field to delete | |//{any attributes not starting with $}// |Each attribute name specifies a field to be deleted. The attribute value is ignored and need not be specified | ! Examples Here is an example of a button that deletes the caption and tags fields of the current tiddler: <$macrocall $name='wikitext-example-without-html' src='<$button> <$action-deletefield caption tags/> Delete "caption" and "tags" </$button>'/> Here is an example of a button that deletes the modified date and tags fields of the tiddler HelloThere: <$macrocall $name='wikitext-example-without-html' src='<$button> <$action-deletefield $tiddler="HelloThere" modified tags/> Delete "modified" and "tags" from ~HelloThere </$button>'/> Here is an example of a button that uses the optional $field attribute to delete the text field of the tiddler HelloThere: <$macrocall $name='wikitext-example-without-html' src='<$button> <$action-deletefield $tiddler="HelloThere" $field="text"/> Delete text from ~HelloThere </$button>'/>