JSON string having data table fields details for the column of the data table
Example: {"title":"Employee Data Table","description":"A table containing information about employees.","allowsMultipleRows":false,"columns":[{"name":"Employee ID","type":"string","required":true},{"name":"First Name","type":"string","required":true},{"name":"Last Name","type":"string","required":true},{"name":"Age","type":"number","required":true},{"name":"Department","type":"string","required":true},{"name":"Date of Joining","type":"date","required":true}],"entries":[{"Employee ID":"E001","First Name":"John","Last Name":"Doe","Age":30,"Department":"Engineering","Date of Joining":"2020-01-15"},{"Employee ID":"E002","First Name":"Jane","Last Name":"Smith","Age":25,"Department":"Marketing","Date of Joining":"2019-07-22"}]}