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Customizing SSM Parameters

You can customize the SSM parameter names that SST creates behind the scenes to power Resource Binding.

Setting the SSM name prefix

To provide a prefix, open up the sst.config.ts and add a ssmPrefix field.

export default {
config(input) {
return {
name: "myapp",
region: "us-east-1",
ssmPrefix: "/myOrg/myTeam/",
stacks(app) {},
} satisfies SSTConfig;

For example, the default SSM parameter name that's created for a Bucket is:


With the ssmPrefix specified, the SSM parameter name will be: