The earlier evaluation means that "#{AWS::StackName}-lock" is no longer being substituted. This is working in v1.3.2. ``` resources: Resources: lambdaLockDb: Type: 'AWS::DynamoDB::Table' ... TableName: "#{AWS::StackName}-lock" ``` ``` provider: name: aws ... environment: LOCK_TABLE: ${self:custom.lockTableName} custom: lockTableName: "#{AWS::StackName}-lock" ```