Pre-stop function¶

Overview¶

The Pre-stop function is a callback function beeing called by FunctionGraph before the current function instance stops.

Constraints and Restrictions¶

Currently, only Java language functions support configuring pre-stop functions.
The pre-stop function entry must be in the same file as the function execution entry.

Configuring Pre-stop function¶

Log in to the FunctionGraph console.

In the navigation pane, choose Functions > Function List.
Click the function to be configured to go to the function details page.

Choose Configuration > Lifecycle and enable Pre-stop

Table 2 Parameter configuration¶

Parameter

Description

Pre-stop

Enable Pre-stop if needed.

Pre-stop Timeout (s)

Maximum duration the function can be Pre-stoped. Set this parameter if you enable function Pre-stop.

The value ranges from 1s to 90s.

Pre-stop Handler

The Pre-stop handler must be named in the same way as the handler. Set an initializer name in the format of

[Package name].[Class name].[Pre-Stop function name]

Save the configuration

**Table 2** Parameter configuration¶
Parameter	Description
Pre-stop	Enable `Pre-stop` if needed.
Pre-stop Timeout (s)	Maximum duration the function can be Pre-stoped. Set this parameter if you enable function Pre-stop. The value ranges from 1s to 90s.
Pre-stop Handler	The Pre-stop handler must be named in the same way as the handler. Set an initializer name in the format of [Package name].[Class name].[Pre-Stop function name]

last updated: 2025-09-23 09:31:56 UTC - commit: 70dfd27683766d95e95edd34387e5c0f102dbc02