v1

latestOpenAPI 3.0.0Apache 2.0 License2026-07-1466347371.7 KB

Returns details about the reserved concurrency configuration for a function. To set a concurrency limit for a function, use <a>PutFunctionConcurrency</a>.

get/2019-09-30/functions/{FunctionName}/concurrency

Path parameters

FunctionNamestring required
<p>The name of the Lambda function.</p> <p class="title"> <b>Name formats</b> </p> <ul> <li> <p> <b>Function name</b> – <code>my-function</code>.</p> </li> <li> <p> <b>Function ARN</b> – <code>arn:aws:lambda:us-west-2:123456789012:function:my-function</code>.</p> </li> <li> <p> <b>Partial ARN</b> – <code>123456789012:function:my-function</code>.</p> </li> </ul> <p>The length constraint applies only to the full ARN. If you specify only the function name, it is limited to 64 characters in length.</p>

Response

Success

ReservedConcurrentExecutionsinteger

The number of simultaneous executions that are reserved for the function.