How to set Default Value to the data shape field through pragmatically?

Hi,

You can use  aspects parameter similar to below to achieve your requirement

var params = { infoTableName: undefined /* STRING */};

// result: INFOTABLE
var result = Resources["InfoTableFunctions"].CreateInfoTable(params);

//Add a new field to the InfoTable:
result.AddField({name: "ColNameOne", baseType: "BOOLEAN", aspects : {defaultValue:1}});
result.AddField({name: "ColNameTwo", baseType: "INTEGER", aspects : {defaultValue:10}});
result.AddField({name: "ColNameThree", baseType: "STRING", aspects : {defaultValue:"test"}});

result.AddRow({});