parameters

• limit - number of portfolio elements
• columns - number of columns - 4; 3; 2;
• header - header text
• all_label - all label
• icon
• groups - separate group names by commas. group will appear as buttons in the gallery
• skip - skip x elements, allows to skip x elements from collection
• order - order in which data should be fetched - asc; desc;
• orderby - order in which data should be fetched - date; ID; author; title; name; modified; parent; rand; menu_order;
• id - post id
• notids - exclude post id
• slug - post slug, filter by slug
• post_parent - post parent id, filter by parent id
• cat_name - category name, name of category to filter
• tag - tag name (slug), comma separated values: tag1,tag2 to exclude tags use '-' minus: -mytag will exclude tag 'mytag'
• s - keyword search, show item with certain keyword