​​Thank you for your inquiry about CMS334v4 Cesarean Birth. To pass Last Gravida, Last Parity and Last history Preterm birth, you will need to follow the functions to get the attribute added per request. For example, if you would like to pass Last Gravida function, you need do the following steps: - Add Assessment Performed for "[#] Pregnancies" template - Add an appropriate datetime to "Relevant DateTime" field - Under the Attributes field, select "Result" from the drop-down list and "integer" next to the result field - Enter value of '1' to the text box and click "+" - You will see "Result:1" added under "Attributes" - You will see the definition of denominator turns green