Markup for pre-setting filters in Joomla! Admin menu items, this one is for com_content

default.xml

<?xml version="1.0" encoding="utf-8"?>
<metadata>
	<layout title="COM_CONTENT_ARTICLES_VIEW_DEFAULT_TITLE">
		<message>
			<![CDATA[COM_CONTENT_ARTICLES_VIEW_DEFAULT_DESC]]>
		</message>
	</layout>
	<fields name="request">
		<fieldset name="request"
		>
			<field
					name="filter_category_id"
					type="category"
					label="JGLOBAL_CHOOSE_CATEGORY_LABEL"
					description="JGLOBAL_CHOOSE_CATEGORY_DESC"
					multiple="true"
					class="multipleCategories"
					extension="com_content"
					published="0,1,2"
			/>

			<field
					name="filter_tag"
					type="tag"
					label="JTAG"
					description="JTAG_FIELD_SELECT_DESC"
					multiple="true"
			/>

			<field
					name="filter_search"
					type="text"
					label="COM_CONTENT_FILTER_SEARCH_LABEL"
					description="COM_CONTENT_FILTER_SEARCH_DESC"
					hint="JSEARCH_FILTER"
			/>

			<field
					name="filter_published"
					type="status"
					label="COM_CONTENT_FILTER_PUBLISHED"
					description="COM_CONTENT_FILTER_PUBLISHED_DESC"
			>
				<option value="">JOPTION_SELECT_PUBLISHED</option>
			</field>

			<field
					name="filter_access"
					type="accesslevel"
					label="JOPTION_FILTER_ACCESS"
					description="JOPTION_FILTER_ACCESS_DESC"
					multiple="true"
					class="multipleAccessLevels"
			/>

			<field
					name="filter_author_id"
					type="author"
					label="COM_CONTENT_FILTER_AUTHOR"
					description="COM_CONTENT_FILTER_AUTHOR_DESC"
					multiple="true"
					class="multipleAuthors"
			>
				<option value="0">JNONE</option>
			</field>

			<field
					name="filter_language"
					type="contentlanguage"
					label="JOPTION_FILTER_LANGUAGE"
					description="JOPTION_FILTER_LANGUAGE_DESC"
			>
				<option value="">JOPTION_SELECT_LANGUAGE</option>
				<option value="*">JALL</option>
			</field>

			<field
					name="filter_level"
					type="integer"
					label="JOPTION_FILTER_LEVEL"
					description="JOPTION_FILTER_LEVEL_DESC"
					first="1"
					last="10"
					step="1"
					languages="*"
			>
				<option value="">JOPTION_SELECT_MAX_LEVELS</option>
			</field>
		</fieldset>
	</fields>
</metadata>