1 Specifies a <em>host permission</em>. Required if the extension or app wants to
interact with the code running on pages. Many capabilities, such as <a href="xhr
.html">cross-origin XMLHttpRequests</a>, <a href="content_scripts.html#pi">progr
ammatically injected content scripts</a>, and <a href="cookies.html">the extensi
on's cookies API</a> require host permissions. For details on the syntax, see <a
href="match_patterns.html">Match Patterns</a>. A path is allowed but treated as
<code>/*</code>. | 1 Specifies a <em>host permission</em>. Required if the extension or app wants to
interact with the code running on pages. Many capabilities, such as <a href="xhr
">cross-origin XMLHttpRequests</a>, <a href="content_scripts#pi">programmaticall
y injected content scripts</a>, and <a href="cookies">the extension's cookies AP
I</a> require host permissions. For details on the syntax, see <a href="match_pa
tterns">Match Patterns</a>. A path is allowed but treated as <code>/*</code>. |