Ledger API
<span class="x2mdx-ref-breadcrumb-separator">›</span>
<a href="/docs/canton/reference-protobuf-index">Protobuf</a>
<span class="x2mdx-ref-breadcrumb-separator">›</span>
<a href="https://docs.canton.network/reference/protobuf/packages/com-daml-ledger-api-v2-admin">com.daml.ledger.api.v2.admin</a>
<span class="x2mdx-ref-breadcrumb-separator">›</span>
<span>ListKnownPackages</span>
</div>
<div class="x2mdx-ref-hero">
<p class="x2mdx-ref-eyebrow">com.daml.ledger.api.v2.admin</p>
<h1 class="x2mdx-ref-title">ListKnownPackages</h1>
<div class="x2mdx-ref-badges">
<span class="x2mdx-ref-badge x2mdx-ref-badge--protocol">gRPC</span>
<span class="x2mdx-ref-badge x2mdx-ref-badge--added">Since 3.4.0</span>
</div>
</div>
<div class="x2mdx-ref-operation-bar">
<span class="x2mdx-ref-operation-method x2mdx-ref-operation-method--rpc">RPC</span>
<code>/com.daml.ledger.api.v2.admin.PackageManagementService/ListKnownPackages</code>
</div>
## Protocol Details
<dl class="x2mdx-ref-meta-grid">
<div class="x2mdx-ref-meta-item">
<dt>Protocol</dt>
<dd>gRPC</dd>
</div>
<div class="x2mdx-ref-meta-item">
<dt>Service</dt>
<dd>PackageManagementService</dd>
</div>
<div class="x2mdx-ref-meta-item">
<dt>RPC</dt>
<dd>ListKnownPackages</dd>
</div>
<div class="x2mdx-ref-meta-item">
<dt>Client stream</dt>
<dd>No</dd>
</div>
<div class="x2mdx-ref-meta-item">
<dt>Server stream</dt>
<dd>No</dd>
</div>
</dl>
## Inputs
<div class="x2mdx-ref-panel">
<div class="x2mdx-ref-panel-head">
<h3>ListKnownPackagesRequest</h3>
</div>
<dl class="x2mdx-ref-meta-grid">
<div class="x2mdx-ref-meta-item">
<dt>Message</dt>
<dd>com.daml.ledger.api.v2.admin.ListKnownPackagesRequest</dd>
</div>
<div class="x2mdx-ref-meta-item">
<dt>Client stream</dt>
<dd>No</dd>
</div>
</dl>
</div>
## Outputs
<div class="x2mdx-ref-panel">
<div class="x2mdx-ref-panel-head">
<h3>ListKnownPackagesResponse</h3>
</div>
<dl class="x2mdx-ref-meta-grid">
<div class="x2mdx-ref-meta-item">
<dt>Message</dt>
<dd>com.daml.ledger.api.v2.admin.ListKnownPackagesResponse</dd>
</div>
<div class="x2mdx-ref-meta-item">
<dt>Server stream</dt>
<dd>No</dd>
</div>
</dl>
<div class="x2mdx-ref-fields">
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">package\_details</code>
<span class="x2mdx-ref-type-badge">repeated PackageDetails</span>
</div>
</div>
</div>
</div>
## Lifecycle Changes
<div class="x2mdx-ref-change-list">
<div class="x2mdx-ref-change-item">
<span class="x2mdx-ref-change-version">3.4.0</span>
<span class="x2mdx-ref-change-detail">introduced</span>
</div>
</div>
## Related Schemas
<AccordionGroup>
<Accordion title="com.daml.ledger.api.v2.admin.ListKnownPackagesRequest">
<div class="x2mdx-ref-schema" id="schema-com-daml-ledger-api-v2-admin-listknownpackagesrequest" />
</Accordion>
<Accordion title="com.daml.ledger.api.v2.admin.ListKnownPackagesResponse">
<div class="x2mdx-ref-schema" id="schema-com-daml-ledger-api-v2-admin-listknownpackagesresponse">
<div class="x2mdx-ref-fields">
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">package\_details</code>
<span class="x2mdx-ref-type-badge">repeated PackageDetails</span>
</div>
</div>
</div>
</div>
</Accordion>
<Accordion title="com.daml.ledger.api.v2.admin.PackageDetails">
<div class="x2mdx-ref-schema" id="schema-com-daml-ledger-api-v2-admin-packagedetails">
<div class="x2mdx-ref-fields">
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">package\_id</code>
<span class="x2mdx-ref-type-badge">string</span>
</div>
</div>
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">package\_size</code>
<span class="x2mdx-ref-type-badge">uint64</span>
</div>
</div>
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">known\_since</code>
<span class="x2mdx-ref-type-badge">Timestamp</span>
</div>
</div>
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">name</code>
<span class="x2mdx-ref-type-badge">string</span>
</div>
</div>
<div class="x2mdx-ref-field-row">
<div class="x2mdx-ref-field-main">
<code class="x2mdx-ref-field-name">version</code>
<span class="x2mdx-ref-type-badge">string</span>
</div>
</div>
</div>
</div>
</Accordion>
</AccordionGroup>
grpcurl
```bash grpcurl theme={"theme":{"light":"github-light","dark":"github-dark"}}
# Add -plaintext if the server is not using TLS.
grpcurl \
-d @ \
<HOST:PORT> \
com.daml.ledger.api.v2.admin.PackageManagementService/ListKnownPackages <<'EOF'
{}
EOF
```
</div>
</div>
<div className="x2mdx-ref-rail-panel">
<div className="x2mdx-ref-rail-code x2mdx-ref-rail-code--response">
<div className="x2mdx-ref-rail-head">
<span className="x2mdx-ref-rail-heading">OK</span>
<span className="x2mdx-ref-response-label">application/json</span>
</div>
```json OK theme={"theme":{"light":"github-light","dark":"github-dark"}}
{
"packageDetails": [
{
"packageId": "string",
"packageSize": "0",
"knownSince": "string",
"name": "string",
"version": "string"
}
]
}
```
</div>
</div>
Mirrored from Canton Network official documentation (CC-BY-4.0) by CC Privacy Club for learning purposes.
