updateAttribute

R2026b

Class: slreq.LinkSet
Namespace: slreq

Update information for link set custom attribute

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Syntax

updateAttribute(myLinkSet,atrb,Name=Value)

Description

updateAttribute(myLinkSet,atrb,Name=Value) updates the custom attribute specified by atrb with properties specified by the name-value arguments Name and Value in the link set myLinkSet.

Input Arguments

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Link set, specified as an slreq.LinkSet object.

Custom attribute name, specified as a character array.

Name-Value Arguments

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Specify optional pairs of arguments as Name1=Value1,...,NameN=ValueN, where Name is the argument name and Value is the corresponding value. Name-value arguments must appear after other arguments, but the order of the pairs does not matter.

Example: Description='My new description.'

Custom attribute description, specified as a character array.

Example: Description='My new description.'

Combobox list options, specified as a cell array. The list of options is valid only if 'Unset' is the first entry. 'Unset' indicates that the user hasn't chosen an option from the combo box. If the list does not start with 'Unset', it will be automatically appended as the first entry.

Example: List={'Unset','A','B','C'}

Note

You can only use this name-value pair when the Type property of the custom attribute that you're updating is Combobox.

Examples

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Open Live Script

This example shows how to update custom attribute information for a link set.

Load the crs_req requirement files, which describe a cruise control system. Find a link set in the files and assign it to a variable.

slreq.load("crs_req");
ls = slreq.find("Type","LinkSet");

Update an Edit Custom Attribute

Add an Edit custom attribute that has a description to the link set. Get the attribute information with inspectAttribute.

addAttribute(ls,'MyEditAttribute','Edit',Description=...
    'Original attribute.');
inspectAttribute(ls,'MyEditAttribute')
ans = struct with fields:
           name: 'MyEditAttribute'
           type: Edit
    description: 'Original attribute.'

Update the custom attribute with a new description. Confirm the change by getting the attribute information with inspectAttribute.

updateAttribute(ls,'MyEditAttribute',Description=...
    'Updated attribute.');
inspectAttribute(ls,'MyEditAttribute')
ans = struct with fields:
           name: 'MyEditAttribute'
           type: Edit
    description: 'Updated attribute.'

Update a Combobox Custom Attribute

Add a Combobox custom attribute with a list of options to the link set. Get the attribute information with inspectAttribute.

addAttribute(ls,'MyCombobox','Combobox',List={'Unset','A','B','C'});
inspectAttribute(ls,'MyCombobox')
ans = struct with fields:
           name: 'MyCombobox'
           type: Combobox
    description: ''
           list: {'Unset'  'A'  'B'  'C'}

Update the custom attribute with a new list of options. Confirm the change by getting the attribute information with inspectAttribute.

updateAttribute(ls,'MyCombobox',List={'Unset','1','2','3'});
inspectAttribute(ls,'MyCombobox')
ans = struct with fields:
           name: 'MyCombobox'
           type: Combobox
    description: ''
           list: {'Unset'  '1'  '2'  '3'}

Update the custom attribute with a new list of options and a new description. Confirm the change by getting the attribute information with inspectAttribute.

updateAttribute(ls,'MyCombobox',List={'Unset','A1','B2','B3'},...
    Description='Updated attribute with new options.');
inspectAttribute(ls,'MyCombobox')
ans = struct with fields:
           name: 'MyCombobox'
           type: Combobox
    description: 'Updated attribute with new options.'
           list: {'Unset'  'A1'  'B2'  'B3'}

Version History

Introduced in R2020b

See Also

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