async function getFieldnamesfrom1stapi(
  fieldNameContainer,
  fields,
  choicesContainer,
  selectedEventValue,
  buttonContainer,
  container,
  selectedFieldName = null,
  selectedChoices = [], 
  obj,
  ruleIndex,
  fieldIndex
) {
  if (!selectedEventValue) {
    console.error("Select an event before proceeding.");
    return;
  }

  // Create the field dropdown
  const fieldDropdown = document.createElement('fw-select');
  fieldDropdown.classList.add('field-name-dropdown');
  fieldDropdown.setAttribute('label', 'Ticket Fields');
  fieldDropdown.setAttribute('required', 'true');
  fieldDropdown.setAttribute('placeholder', 'Choose a field');
  fieldDropdown.setAttribute('hint-text', 'Select singular option');

  const selectedFields = Array.from(container.querySelectorAll('.field-name-dropdown'))
    .map((dropdown) => dropdown.value)
    .filter((value) => value);

  fields
    .filter((field) => !selectedFields.includes(field.name))
    .forEach((field) => {
      const option = document.createElement('fw-select-option');
      option.setAttribute('value', field.name);
      option.textContent = field.label;
      fieldDropdown.appendChild(option);

      if (selectedFieldName && field.name === selectedFieldName) {
        option.setAttribute('selected', 'selected');
      }
    });

  fieldNameContainer.appendChild(fieldDropdown);

  // Create the buttons
  const deleteButton = document.createElement('fw-button');
  deleteButton.setAttribute('size', 'icon');
  deleteButton.classList.add('delete-button');
  deleteButton.innerHTML = '<fw-icon name="delete" size="20" color="white"></fw-icon>';

  const deleteButtonWrapper = document.createElement('div');
  deleteButtonWrapper.classList.add('delete-button-container', 'mt-5');
  deleteButtonWrapper.appendChild(deleteButton);
  buttonContainer.appendChild(deleteButtonWrapper);

  const existingAddButton = container.querySelector('.add-button');
  if (existingAddButton) {
    existingAddButton.remove();
  }

  const addButton = document.createElement('fw-button');
  addButton.setAttribute('size', 'icon');
  addButton.classList.add('add-button');
  addButton.innerHTML = '<fw-icon name="plus" size="20" color="white"></fw-icon>';
  addButton.style.marginTop = '16px';
  addButton.disabled = true;

  if (fieldIndex === container.querySelectorAll('.field-name-dropdown').length - 1) {
    buttonContainer.appendChild(addButton);
  }

  addButton.addEventListener("click", () => {
    console.log(ticketworkflowconditions[ruleIndex].event);
    const newIndex = ticketworkflowconditions[ruleIndex].event.combination.length;
    createAdditionalDropdowns(container, obj, ruleIndex, newIndex);

    checkAddButtonVisibility();
  });


  
  // Delete Button Logic
  deleteButton.addEventListener("click", () => {
    console.log(`Delete button clicked for mapping at index ${fieldIndex}`);

    const modal = document.getElementById("composition");
    if (modal) {
      modal.setAttribute("is-open", "true");
      modal.querySelector("fw-modal-title").innerHTML = `<span>Delete Mapping</span>`;
      modal.querySelector("fw-modal-content").innerHTML = `<span>Are you sure you want to delete this field mapping?</span>`;

      modal.addEventListener(
        "fwSubmit",
        () => {
          if (fieldIndex === 0) {
            fieldDropdown.value = "";
            fieldDropdown.setAttribute("placeholder", "Choose a field");
            fieldDropdown.disabled = false;
            choicesContainer.innerHTML = '<br><br><br><div class="temporary style" style="margin-bottom: 9px;"></div>';
            choicesContainer.style.display = "block";

            const findRule = ticketworkflowconditions[ruleIndex];
            if (findRule) {
              const combination = findRule.event.combination;
              combination[fieldIndex] = { field: null };

              ticketworkflowconditions[ruleIndex] = {
                ...findRule,
                event: { ...findRule.event, combination },
              };
            }

            modal.removeAttribute("is-open");
            checkAddButtonVisibility();
            return;
          }

          const findRule = ticketworkflowconditions[ruleIndex];
          if (findRule) {
            const currentDropdowns = container.querySelectorAll(".field-name-dropdown");
            const currentDropdownIndex = Array.from(currentDropdowns).indexOf(fieldDropdown);

            if (currentDropdownIndex !== -1) {
              const combination = findRule.event.combination;
              combination.splice(currentDropdownIndex, 1);

              ticketworkflowconditions[ruleIndex] = {
                ...findRule,
                event: { ...findRule.event, combination },
              };
            }
          }

          fieldNameContainer.removeChild(fieldDropdown);
          choicesContainer.innerHTML = "";
          buttonContainer.removeChild(deleteButtonWrapper);

          modal.removeAttribute("is-open");
          checkAddButtonVisibility();
        },
        { once: true }
      );

      modal.querySelector("fw-modal-footer").addEventListener(
        "fwClose",
        () => {
          modal.removeAttribute("is-open");
          console.log("Delete operation was cancelled.");
        },
        { once: true }
      );
    } else {
      console.error("Modal element with ID 'composition' not found.");
    }
  });

  // fieldDropdown.addEventListener("fwChange", async (event) => {
  //   const newSelectedFieldName = event.target.value;

  //   const newSelectedField = fields.find((field) => field.name === newSelectedFieldName);
  //   if (newSelectedField) {
  //     const findRule = ticketworkflowconditions[ruleIndex];
  //     if (findRule) {
  //       const combination = findRule.event.combination;

  //       const newKeyValue = { [newSelectedFieldName]: [] };
  //       combination.splice(fieldIndex, 1, newKeyValue);

  //       console.log(`Field changed. Updated backend:`, JSON.stringify(ticketworkflowconditions, null, 2));
  //     }

  //     await showingitschoices(
  //       choicesContainer,
  //       newSelectedField,
  //       selectedEventValue,
  //       newSelectedFieldName,
  //       buttonContainer,
  //       container,
  //       fieldNameContainer,
  //       [],
  //       obj,
  //       ruleIndex,
  //       fieldIndex
  //     );

  //     console.log(`Field changed to: ${newSelectedFieldName}`);
  //   } else {
  //     console.error("Field not found in the Dropdown");
  //   }

  //   checkAddButtonVisibility();
  // });

  fieldDropdown.addEventListener("fwChange", async (event) => {
  const newSelectedFieldName = event.target.value;

  if (!newSelectedFieldName) {    
    choicesContainer.innerHTML = "";
    choicesContainer.innerHTML = '<br><br><br><div class="temporary style" style="margin-bottom: 9px;"></div>';
    choicesContainer.style.display = "block";

    const findRule = ticketworkflowconditions[ruleIndex];
    if (findRule) {
      const combination = findRule.event.combination;
      combination[fieldIndex] = { field: null };
      ticketworkflowconditions[ruleIndex] = {
        ...findRule,
        event: { ...findRule.event, combination },
      };
    }
    console.log("Field deselected. Choices dropdown cleared.");
    return;
  }

  const newSelectedField = fields.find((field) => field.name === newSelectedFieldName);
  if (newSelectedField) {
    const findRule = ticketworkflowconditions[ruleIndex];
    if (findRule) {
      const combination = findRule.event.combination;
      const newKeyValue = { [newSelectedFieldName]: [] };
      combination.splice(fieldIndex, 1, newKeyValue);
      console.log(`Field changed. Updated backend:`, JSON.stringify(ticketworkflowconditions, null, 2));
    }

    await showingitschoices(
      choicesContainer,
      newSelectedField,
      selectedEventValue,
      newSelectedFieldName,
      buttonContainer,
      container,
      fieldNameContainer,
      [],
      obj,
      ruleIndex,
      fieldIndex
    );

    console.log(`Field changed to: ${newSelectedFieldName}`);
  } else {
    console.error("Field not found in the Dropdown");
  }

  checkAddButtonVisibility();
});



  if (selectedFieldName) {
    const selectedField = fields.find((field) => field.name === selectedFieldName);
    if (selectedField) {
      await showingitschoices(
        choicesContainer,
        selectedField,
        selectedEventValue,
        selectedFieldName,
        buttonContainer,
        container,
        fieldNameContainer,
        selectedChoices,
        obj,
        ruleIndex,
        fieldIndex
      );

      const findRule = ticketworkflowconditions[ruleIndex];
      const combination = findRule.event.combination;
      const newKeyValue = { [selectedFieldName]: selectedChoices || [] };
      combination.splice(fieldIndex, 1, newKeyValue);
      ticketworkflowconditions[ruleIndex] = { ...findRule, combination };

      console.log(`Updated ticketworkflowconditions: ${JSON.stringify(ticketworkflowconditions, null, 2)}`);
    } else {
      console.error(`Field not found in Dropdown for existing mapping: ${selectedFieldName}`);
    }
  }

  function checkAddButtonVisibility() {
    const dropdowns = container.querySelectorAll(".field-name-dropdown");
    const selectedFieldValues = Array.from(dropdowns)
      .map((dropdown) => dropdown.value)
      .filter((value) => value !== "");

    const areAllFieldsSelected = selectedFieldValues.length >= fields.length;

    const lastDropdownWrapper =
      dropdowns.length > 0
        ? dropdowns[dropdowns.length - 1].closest(".button-container")
        : null;

    if (areAllFieldsSelected) {
      console.log("All fields are selected. Hiding Add Button.");
      if (addButton.parentNode) {
        addButton.parentNode.removeChild(addButton);
      }
    } else {
      console.log("Fields are still available. Add Button will be shown.");
      if (dropdowns.length > 0 && lastDropdownWrapper) {
        if (!lastDropdownWrapper.contains(addButton)) {
          lastDropdownWrapper.appendChild(addButton);
          addButton.style.visibility = "visible";
        }
      }

      addButton.disabled = false;
    }
  }

  
}


in checkaddbuttonvisibliity, without removing, add this feature, 
in which the add button is appended. above fields and choices dropdown should be freezed