# Add Column

Add a column to the Data Table.

<table data-header-hidden><thead><tr><th width="228" valign="top"></th><th width="320" valign="top"></th></tr></thead><tbody><tr><td valign="top">Table</td><td valign="top">[Data Table] The data table to which the column is added.</td></tr><tr><td valign="top">Column Name</td><td valign="top">[Text] The name of the column. This name is used to access the cells of the table.</td></tr><tr><td valign="top">Column Type</td><td valign="top">The type of the column being added.</td></tr><tr><td valign="top">Column Index</td><td valign="top">[Number] The index at which the column will be inserted. If the value is empty, the column will be added to the end of the list.</td></tr><tr><td valign="top">Column Header</td><td valign="top">[Text] The header of the column. If the header is not specified, its value will be equal to the Column Name.</td></tr><tr><td valign="top">Default Value</td><td valign="top">[Text/Number] The default value for the column.</td></tr><tr><td valign="top">Column Number</td><td valign="top">[Number] Returns the number of the added column. The numbering starts from 0.</td></tr><tr><td valign="top">Error Handling Level</td><td valign="top"><p>Select the error handling level. Possible values:</p><ul><li>"Default" - default;</li><li>"Ignore" - errors are ignored;</li><li>"Handle" - errors are handled.</li></ul><p>If "Default" is selected, the value of the "Start" block of this diagram will be used.</p></td></tr><tr><td valign="top">Message Level</td><td valign="top"><p>Select the message level that blocks will output during operation. Possible values:</p><ul><li>"Default" - default;</li><li>"Release" - output is disabled;</li><li>"Debug" - main information output;</li><li>"Detailed" - detailed information output.</li></ul><p>If "Default" is selected, the value of the "Start" block of this diagram will be used.</p></td></tr><tr><td valign="top">Error Text</td><td valign="top">[Text] Returns detailed information about the error in case of incorrect execution of the block's work.</td></tr></tbody></table>


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