approvalTextString(default: null)
A text message displayed inside the approval card when state is "awaitingApproval".
Example - set the approval text
<div id="toolcall"></div>
<script>
$("#toolcall").kendoToolCall({
label: "delete_record",
state: "awaitingApproval",
expandable: true,
expanded: true,
approvalText: "This action will permanently delete the record."
});
</script>