<html devsite>
<head>
  <meta name="project_path" value="/_project.yaml">
  <meta name="book_path" value="/versions/7.0.0/_book.yaml">
</head>
<body>

<h1 class="page-title" id="modules.ToolchainContext">ToolchainContext</h1>

{% dynamic setvar source_file "src/main/java/com/google/devtools/build/lib/starlarkbuildapi/platform/ToolchainContextApi.java" %}
{% dynamic setvar version "7.0.0" %}
{% dynamic setvar original_path "/rules/lib/builtins/ToolchainContext" %}
{% include "_buttons.html" %}
<!-- {% raw %} -->

Holds toolchains available for a particular exec group. Toolchain targets are accessed by indexing with the toolchain type, as in <code>ctx.toolchains["//pkg:my_toolchain_type"]</code>. If the toolchain was optional and no toolchain was resolved, this will return <code>None</code>.



</body>
</html>

<!-- {% endraw %} -->
