The list node is used to work with lists. When a list node is reached an action can be performed on the list defined by the list node.
When a list node is created, WEM presents a popup where the list for which the action should take place is selected:
The properties and exits of a list node depend on the type of action that should be performed. The property table below presents all options:
Item
Description
Exits
Name
This is set to the action that is performed on the specified list. This property is set by WEM and cannot be changed.
N/A
Action
Add Row This adds a new row in the specified list
Default exit
Delete current row Deletes the current row of the list that is specified
Default exit
Delete multiple rows This deletes multiple rows of a list. This property requires a second property: Delete rows that match Two possibilities: 1. Delete all rows of the list (this is the default value) 2. Specify the rows to delete by building an expression with the WEM expression builder
Default exit
Goto first row… Go to the first row that matches a certain condition. When this option is used, a second property is required: Goto first row that matches Two possibilities: 1. The first row that was added to the list 2. Specify the first row using an expression. When this action is selected, there is also the possibility to create an expression that defines the order of the rows in the list. You can do this by clicking the Edit order button that appears when this action is selected.
Default exit
Goto last row… Go to the last row that matches a certain condition. When this option is used, a second property is required: Goto last row that matches Two possibilities: 1. The last row that was added to the list 2. Specify the last row using an expression When this action is selected, there is also the possibility to create an expression that define the order of the rows in the list. You can do this by clicking the Edit orderbutton that appears when this action is selected.
Default exit Not found: This exit is used when the expression that is used results in no applicable rows
Goto next row… Go to the next row that matches a certain condition. When this option is used, a second property is required: Goto next row that matches Specify the next row using an expression. When this action is selected, there is also the possibility to create an expression that defines the order of the rows in the list. You can do this by clicking the Edit order button that appears when this action is selected.
Default exit Not found: This exit is used when the expression that is used resultas in no applicable rows
Goto previous row… Go to the previous row that matches a certain condition. When this option is used, a second property is required: Goto previous row that matches Specify the previous row using an expression. When this action is selected, there is also the possibility to create an expression that defines the order of the rows in the list. You can do this by clicking the Edit order button that appears when this action is selected.
Default exit Not found: This exit is used when the expression that is used results in no applicable rows
Reset row position This action clears the row position, so no row is selected after this action
Default exit
