Docx merge field

Hello 

How to pass the Values of the local variables to the Docx???? 

a!localVariables(
  local!data:ri!DocData,
  local!name:rule!SKJ_GetCustomerByAcc(AccountNum:ri!Number),
  local!resonDes:ri!resDes,


  /*to collect the data*/
  concat(
    /*Parent */
    "",

    /*Name*/
    "",
    local!name['recordType!{a0871cca-bd3d-4d03-b9ce-d1652bfa9dc0}SKJ Customer.fields.{b06eb39c-bf2f-4bb4-b283-cdbb894e406d}name'],
    "",

    /*Reson Des*/

    "",
    local!resonDes,
    "",


    "",
    datetext(now(),"yyyy/MM/dd"),
    "",


    /*for each*/

    a!forEach(
      items: local!data,
      expression: ""





    ),

    "",
  ),



)