![](/images/new-backgrounds/1214202/214202131x1.webp)
Defining elements
Group particles properties
To display a group particle property sheet,
General properties The General page of a group particle property sheet displays the following properties:
Property | Description |
Type | Type of the group particle. You can change its type by selecting a |
| value in the dropdown listbox and clicking OK |
Minimum | Minimum number of times the group particle can occur. To |
| specify that the group particle is optional, set this property to zero |
Maximum | Maximum number of times the group particle can occur. For an |
| unlimited number of times, select unbounded |
ID | ID of the group particle. Its value must be of type ID and unique |
| within the model containing the group particle |
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Items list | The Items page of a group particle property sheet allows you to add (or | ||||
| order) the following objects to a list of child objects: | ||||
| Tool |
| Tooltip |
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| Add Element |
| Adds an element to the list |
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| Add Any |
| Adds an Any to the list. Only available with a |
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| choice or a sequence group particle |
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| Add Group |
| Adds a group particle to the list |
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| Particle |
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| Add Element |
| Adds a referencing element to the list. Select a |
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| with Reference |
| global element for the reference in the Selection |
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| to Element |
| dialog box. To use this tool, you must have |
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| previously defined a global element in the current |
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| model |
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| Add Group with |
| Adds a referencing group to the list. Select a group |
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| Reference to |
| for the reference in the Selection dialog box. To use |
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| Group |
| this tool, you must have previously defined a group |
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| in the current model |
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When you add an object to the list, an object is created and its symbol appears in the diagram linked to the group particle.
54 | PowerDesigner |