| Const | 0 | A constant value, like 2 or "a". 
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| DataSet | 1 | A value from a Dataset. This tag is written as "<#DataTable.Column> | 
| Property | 2 | A report variable, like <#Variable> | 
| FullDataSet | 3 | A dataset with "*" | 
| FullDataSetCaptions | 4 | Captions for a full dataset. 
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| IF | 5 | An #IF construct | 
| IFS | 6 | An #IFS construct | 
| SWITCH | 7 | A #SWITCH construct | 
| Include | 8 | An include Tag. 
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| Equal | 9 | A #= tag | 
| DeleteSheet | 10 | A #Delete sheet | 
| SheetVisible | 11 | A #Sheet visible tag. 
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| ConfigSheet | 12 | #Config | 
| DeleteRange | 13 | #Delete Range | 
| DeleteRow | 14 | #Delete row | 
| DeleteCol | 15 | Delete Column | 
| FormatCell | 16 | Format cell | 
| FormatRow | 17 | Format row | 
| FormatCol | 18 | Format column | 
| FormatRange | 19 | Format range | 
| HPageBreak | 20 | Horizontal page break | 
| VPageBreak | 21 | Vertical page break | 
| Comment | 22 | This one will not really be stored. 
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| Evaluate | 23 | An expression that will be evaluated | 
| ImgSize | 24 | Only used inside images, to specify its zoom in %% and its aspect ratio. 
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| ImgPos | 25 | Only used inside images, to specify its position inside the cell. 
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| ImgFit | 26 | Only used inside images, to specify how to modify the containing cells to hold the image. 
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| ImgDelete | 27 | Only used inside images, to delete an image. 
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| Lookup | 28 | A lookup field. Parameters are: DataBase, KeyFields, KeyValues, ResultField. 
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| Array | 29 | An array of values. Useful for example as the KeyValues argument of the Lookup field. 
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| Regex | 30 | A regular expression replace. 
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| MergeRange | 31 | A cell that will be merged. 
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| Formula | 32 | The contents of this cell should be entered as formula. 
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| ColumnWidth | 33 | Adjusts the column width to a specified value. 
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| RowHeight | 34 | Adjusts the row height to a specified value. 
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| Html | 35 | Defines if the cell has HTML formatted data or not. 
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| Ref | 36 | The parameter is considered a reference and will be changed when copying the ranges. 
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| AutofitSettings | 37 | Sets autofit settings for the whole sheet. 
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| Defined | 38 | Returns true if the expression is defined. 
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| DefinedFormat | 39 | Returns true if the format is defined. 
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| Preprocess | 40 | An expression that will be pre evaluated and used to modify the template. 
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| AutoPageBreaks | 41 | FlexCel should automatically calculate the page breaks in this sheet. 
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| Aggregate | 42 | Does an operation like sum or average over a dataset. 
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| List | 43 | Concatenates all values in a dataset as a list. 
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| DbValue | 44 | Gets the value of a dataset given a row or a column. 
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| Hyperlink | 45 | Creates a link for the cell. 
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| SwapChartSeries | 46 | Swaps rows and columns in the chart data definition. 
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