Jenkins file stage and steps showing the terraform aws integration

Jenkinsfile

stage('AWS-Terraform') {
    //parameters {
        //password (name: 'AWS_ACCESS_KEY_ID')
        //password (name: 'AWS_SECRET_ACCESS_KEY')
    //}
    environment {
        TF_WORKSPACE = 'development' //Sets the Terraform Workspace
        TF_IN_AUTOMATION = 'true'
        //AWS_ACCESS_KEY_ID = "${params.AWS_ACCESS_KEY_ID}"
        //AWS_SECRET_ACCESS_KEY = "${params.AWS_SECRET_ACCESS_KEY}"
    }
    steps {
      dir("where/your/tf/file/is") {
            //sh "pwd"
            //sh "ls -al"
            withAWS( credentials: env.AWS_CREDENTIALS) {
              echo "AWS-Terraform Start>>>"
              // Terraform Init
              sh "terraform init -input=false"
                // Terraform validate
                sh "terraform validate"
              // Terraform Plan
              sh "terraform plan -out=tfplan -input=false -var-file='dev.tfvars'"
              // Terraform Apply
              //input 'Apply Plan'
              sh "terraform apply -input=false -auto-approve tfplan"
              echo "AWS-Terraform Done<<<"
            }	
      }                
    }
}
stage("Automated-Tests"){
......
......    
}
stage('AWS-Terraform-Destroy') {
    //parameters {
        //password (name: 'AWS_ACCESS_KEY_ID')
        //password (name: 'AWS_SECRET_ACCESS_KEY')
    //}
    environment {
        TF_WORKSPACE = 'development' //Sets the Terraform Workspace
        TF_IN_AUTOMATION = 'true'
        //AWS_ACCESS_KEY_ID = "${params.AWS_ACCESS_KEY_ID}"
        //AWS_SECRET_ACCESS_KEY = "${params.AWS_SECRET_ACCESS_KEY}"
    }
    steps {
      dir("where/your/tf/file/is") {
        //sh "pwd"
        //sh "ls -al"
        withAWS( credentials: env.AWS_CREDENTIALS) {
          echo "AWS-Terraform Destroy Start>>>"
          // Terraform Destroy
          sh "terraform destroy -input=false -auto-approve"         
          echo "AWS-Terraform Destroy Done<<<"
        }	
      }                
    }
}