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Press the **Insert **button to add a new property declaration.

| **Property Name** | Type the property label. |
| **Property Type** | Select a simple data type from the** **list or select //Other //to enable the **Other Data Type **field. |
| **Other Data Type** | Type the label of a user defined complex data type (such as the label of a GROUP, QUEUE or CLASS), or type a valid entity data type (such as FILE, VIEW, or WINDOW). |
| **Is a Reference** | Check this box to declare a reference variable. You must use a reference variable for entity data types and for any complex data type not valid within a GROUP. You may use a reference variable for any other data type. See //[[group  compound data structure .htm|GROUP]] //and //[[reference variables.htm|Reference Variables]]// in the //Language Reference//. |
| **Size** | Specify the length of the field in bytes. |
| **Dimensions** | To declare the field as an array, and to specify the array dimensions, specify a size for up to four dimensions. Total array size may not exceed 65,520 bytes. See the //Language Reference// for more information on dimensioned variables and arrays. |