AL/snippets/permissionsetextension.json

{
    "Snippet: PermissionSetExtension": {
        "prefix": "tpermissionsetextension",
        "body": [
            "permissionsetextension ${1:Id} ${2:MyPermissionSetExt} extends ${3:MyTargetPermissionSet}",
            "{",
            "\tIncludedPermissionSets = ${4:SomePermissionSet};",
            "\tPermissions = ",
            "\t\t${5:ObjectType} ${6:ObjectName} = ${7:ObjectPermissions};",
            "}"
        ],
        "description": "Snippet: Permission set extension"
    }
}