call PM in the UI using startprocess

load(
  local!crAppComments_cdt: rule!CR_APP_QE_getCoventsAndConditionsCommentsBasedOnFilters(
    requestId_int: ri!requestId_int,
    cif_int: ri!cif_int,
    sourceName_txt: ri!sourceName_txt
  ),
  {
    a!boxLayout(
      label: ri!sourceName_txt & " " & cons!CR_APP_LAB_COLLATERAL_COMMENT[1],
      isInitiallyCollapsed: true(),
      isCollapsible: true(),
      contents: {
        a!sideBySideLayout(
          showWhen: not(
            contains(
              ri!buttonAction_txt,
              cons!CR_APP_TXT_READ_ONLY
            )
          ),
          items: {
            a!sideBySideItem(
              width: "10X",
              item: a!richTextDisplayField(
                align: "RIGHT",
                value: a!richTextIcon(
                  linkStyle: "STANDALONE",
                  icon: cons!CR_APP_TXT_ACTION_ICONS[2],
                  color: "ACCENT",
                  size: "MEDIUM",
                  caption: "Edit",
                  link: a!dynamicLink(
                    value: cons!CR_APP_COMMENT_EDIT_FIN_COV,
                    saveInto: { ri!buttonAction_txt }
                  )
                )
              )
            ),
            a!sideBySideItem(
              width: "10X",
              item: a!richTextDisplayField(
                align: "RIGHT",
                value: a!richTextIcon(
                  linkStyle: "STANDALONE",
                  icon: cons!CR_APP_TXT_ACTION_ICONS[1],
                  color: "ACCENT",
                  size: "MEDIUM",
                  caption: "Save",
                  link: a!submitLink(
                    value: cons!CR_APP_COMMENT_SAVE_FIN_COV,
                    saveInto: {
                      ri!buttonAction_txt,
                      a!writeToDataStoreEntity(
                        dataStoreEntity: cons!CR_APP_ENTITY_COMMENT,
                        valueToStore: ri!crAppComments_cdt
                      ),
                      
                    },
                    skipValidation: false
                  )
                )
              ),
              showWhen: ri!buttonAction_txt = cons!CR_APP_COMMENT_EDIT_FIN_COV
            ),
            a!sideBySideItem(
              width: "MINIMIZE",
              item: a!richTextDisplayField(
                align: "RIGHT",
                value: a!richTextIcon(
                  linkStyle: "STANDALONE",
                  icon: cons!CR_APP_TXT_ACTION_ICONS[3],
                  color: "NEGATIVE",
                  size: "MEDIUM",
                  caption: "Close",
                  link: a!submitLink(
                    confirmMessage: cons!CR_APP_TXT_CANCEL_CONFIRMATION,
                    value: cons!APN_TXT_CLOSE,
                    skipValidation: true(),
                    saveInto: { ri!buttonAction_txt }
                  )
                )
              ),
              showWhen: ri!buttonAction_txt = cons!CR_APP_COMMENT_EDIT_FIN_COV
            )
          }
        ),
        richTextEditorField(
          maxSize: cons!CR_TXT_RICH_TEXT_EDITOR_MAX_SIZE,
          showWhen: not(
            ri!buttonAction_txt = cons!CR_APP_TXT_READ_ONLY
          ),
          label: cons!CR_APP_LAB_COLLATERAL_COMMENT[1],
          richTextValue: clean(
            rule!CR_APP_FN_cleanRichTextEditorString(
              if(
                ri!isEditable_bool,
                ri!crAppComments_cdt.comment_txt,
                ""
              )
            )
          ),
          richTextSaveInto: {
            ri!crAppComments_cdt.comment_txt,
            a!save(
              ri!crAppComments_cdt,
              rule!NBF_COMMON_updateDictionary(
                dictionary: ri!crAppComments_cdt,
                fieldsAndValues: {
                  requestId_int: ri!requestId_int,
                  cif_int: ri!cif_int,
                  sourceName_txt: ri!sourceName_txt,
                  addedOn_dt: now(),
                  addedBy_txt: loggedInUser(),
                  addedByRole_txt: rule!CR_APP_FN_getUserRole(inputUser_txt: loggedInUser())
                }
              )
            )
          },
          isReadOnly: not(ri!isEditable_bool),
          validations: if(
            ri!isEditable_bool,
            if(
              rule!APN_isBlank(
                striphtml(ri!crAppComments_cdt.comment_txt)
              ),
              cons!CR_APP_RTF_TXT_VALIDATION_MSG,
              ""
            ),
            ""
          )
        ),
        a!boxLayout(
          label: cons!CR_APP_LAB_COLLATERAL_COMMENT[2],
          isCollapsible: true(),
          isInitiallyCollapsed: true(),
          marginBelow: "NONE",
          contents: {
            a!gridField(
              showWhen: rule!APN_isBlank(local!crAppComments_cdt),
              spacing: "DENSE",
              data: local!crAppComments_cdt,
              columns: {
                a!gridColumn(
                  label: cons!CR_APP_LAB_COLLATERAL_COMMENT[3],
                  value: rule!CR_FN_nbfDateTimeFormat(
                    input: local!crAppComments_cdt.addedOn_dt
                  ),
                  width: "MEDIUM",
                  align: "START"
                ),
                a!gridColumn(
                  label: cons!CR_APP_LAB_COLLATERAL_COMMENT[4],
                  value: rule!APN_FN_getDisplayName(
                    userId: local!crAppComments_cdt.addedBy_txt
                  ),
                  width: "MEDIUM",
                  align: "START"
                ),
                a!gridColumn(
                  label: cons!CR_APP_LAB_COLLATERAL_COMMENT[5],
                  value: rule!CR_FN_nbfDateTimeFormat(
                    input: local!crAppComments_cdt.addedByRole_txt
                  ),
                  width: "MEDIUM",
                  align: "START"
                )
              }
            ),
            a!forEach(
              items: local!crAppComments_cdt,
              expression: {
                a!sectionLayout(
                  divider: if(fv!isFirst, "NONE", "ABOVE"),
                  marginBelow: "NONE",
                  contents: {
                    a!gridField(
                      spacing: "DENSE",
                      data: fv!item,
                      columns: {
                        a!gridColumn(
                          label: cons!CR_APP_LAB_COLLATERAL_COMMENT[3],
                          value: rule!CR_FN_nbfDateTimeFormat(input: fv!item.addedOn_dt),
                          width: "MEDIUM",
                          align: "START"
                        ),
                        a!gridColumn(
                          label: cons!CR_APP_LAB_COLLATERAL_COMMENT[4],
                          value: rule!APN_FN_getDisplayName(userId: fv!item.addedBy_txt),
                          width: "MEDIUM",
                          align: "START"
                        ),
                        a!gridColumn(
                          label: cons!CR_APP_LAB_COLLATERAL_COMMENT[5],
                          value: fv!item.addedByRole_txt,
                          width: "MEDIUM",
                          align: "START"
                        )
                      }
                    ),
                    richTextEditorField(
                      labelPosition: "COLLAPSED",
                      validations: {},
                      isReadOnly: true(),
                      height: "AUTO",
                      richTextValue: clean(
                        rule!CR_APP_FN_cleanRichTextEditorString(index(fv!item, "comment_txt", {}))
                      )
                    )
                  }
                )
              }
            )
          }
        )
      }
    )
  }
)

is their any possibility to call a process model instead of writetodatastore on the UI

if so can i use startprocess- plz help me how can i use it with sample snippet