https://community.appian.com/discussions/f/general/20789/can-anyone-explain-in-simple-terms-what-does-type-do{ a!gridLayout( label: &quot;Customer Details for Loan Transaction&quot;, labelPosition: &quot;ABOVE&quot;, headerCells: { a!gridLayoutHeaderCell(label: &quot;Customer Name&quot;), a!gridLayoutHeaderCell(label: &quot;Customer Address&quot;), }, columnConfigs: { a!gridLayoutColumnConfig( widthen-USTelligent Community 12https://community.appian.com/thread/80991?ContentTypeID=1Sun, 18 Apr 2021 13:56:28 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:502b83b2-ff0b-4e74-b0c6-dd246daa3361rajuk0007<p>thank you for response.</p><div style="clear:both;"></div>https://community.appian.com/thread/80988?ContentTypeID=1Sun, 18 Apr 2021 09:13:38 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:d3b07400-871f-4935-b278-78bcb99fb73cStefan Helzle<p><span>&#39;type!{urn:com:appian:types:SSA}SSA_CustomerDetails&#39;() acts like a function call and creates a new instance of your CDT data structure. If you use&nbsp;&#39;type!{urn:com:appian:types:SSA}SSA_CustomerDetails&#39;&nbsp;</span>without brackets, it means just the reference to the type. You can use that e.g. for type comparison.&nbsp;</p><div style="clear:both;"></div>