Home
Reference Guides
Explore the Extended Definitions, OML Guides, Block Library, API Guide and Glossary.
Function Guide for Twin Activate
Provides information about developing and simulating models through the Twin Activate Application Program Interface.
Block Diagram Editor APIs
Learn about the APIs available for manipulating blocks through the Block Diagram Editor.
Block Parameters
bdeGetBlockParameterUnit
Returns the unit of a parameter in a given block.

Welcome
What's New
Discover new features and enhancements.
Get Started
New to Twin Activate? Learn the basics here.
Tutorials
Start using Twin Activate with our interactive tutorials.
User Guide
Learn about the features and functionality available in Twin Activate.
Reference Guides
Explore the Extended Definitions, OML Guides, Block Library, API Guide and Glossary.
- Extended Definitions for Advanced Users
  PDF file with in-depth information on key topics in the User's Guide.
- Scripting Guide for OpenMatrix Language
  OpenMatrix is a mathematical scripting language.
- Reference Guide for OpenMatrix Language Functions
  The Reference Guide contains documentation for all functions supported in the OpenMatrix language.
- Block Reference Guide
  Describes all of the blocks in the installed Twin Activate library.
- Function Guide for Twin Activate
  Provides information about developing and simulating models through the Twin Activate Application Program Interface.
  - Block Diagram Editor APIs
    Learn about the APIs available for manipulating blocks through the Block Diagram Editor.
    - Annotations
    - Block Manipulation
    - Block Parameters
      - bdeAddBlockButtonParameter
        Adds buttonParameterName with the value, buttonValue, to the tab sectionName within block. Works with inline blocks. Super blocks are inlined blocks.
      - bdeAddBlockParameter
        Adds a parameter to a given block.
      - bdeAddBlockParameterValidValues
        Adds validValues for a parameter within block.
      - bdeAddBlockSubParameter
        Adds a sub parameter to a parameter in a given block. Works only with parameters that have a widget of the type table or combobox. Works only with inline blocks. Super blocks are inlined blocks.
      - bdeAddBlockTextParameter
        Adds a text parameter for block. Works only with inline blocks. Super blocks are inlined blocks.
      - bdeApplyBlockParametersEditor
        Applies the changes that have been made through the editor apis.
      - bdeClearParameters
        Clears the parameters for a given block. Will only clear the parameters for inline blocks, hence it works with super blocks.
      - bdeCreateTabParameters
        Creates and adds a tab parameter for a block.
      - bdeDeleteBlockParametersDialog
        Deletes the dialog box.
      - bdeDisableBlockParameter
        Disables a parameter within block. Works with inline blocks. Super blocks are inlined blocks.
      - bdeEnableBlockParameter
        Enables a parameter within block. Works with inline blocks. Super blocks are inlined blocks.
      - bdeExecuteBlockParameterButtonCallback
        Executes the callback script for a buttonParameter within block. Only works with parameters of the type button. Works with inline blocks. Super blocks are inlined blocks.
      - bdeGetBlockFromBlockParametersDialog
        Returns the block that the dialog is for.
      - bdeGetBlockFromBlockParametersEditor
        Returns the block that the editor is being used for.
      - bdeGetBlockParameter
        Returns a parameter, parameterName, of a given block.
      - bdeGetBlockParameterButtonCallback
        Returns the callback of buttonParameter in a given block. This is ran while the button is shown in the user interface.
      - bdeGetBlockParameterButtonDescription
        Returns the value of buttonParameter in a given block.
      - bdeGetBlockParameterButtonImage
        Returns the image of a button parameter in a given block.
      - bdeGetBlockParameterButtonTooltip
        Returns the tooltip of buttonParameter in a given block.
      - bdeGetBlockParameterButtonValue
        Returns the value of a buttonParameter in a given block.
      - bdeGetBlockParameterCallback
        Returns a callback script of a parameter in a given block.
      - bdeGetBlockParameterColumnDefaultValue
        Returns the value of the subparameter column in a given block. This only works with parameters of the type table.
      - bdeGetBlockParameterDescription
        Returns a short description of a parameter in a given block.
      - bdeGetBlockParameterDialogButton
        Returns the button of a given dialog box.
      - bdeGetBlockParameterDialogFilePath
        Returns the filepath of a given dialog box.
      - bdeGetBlockParameterDimension
        Returns the dimensions of a parameter in a given block. Works with parameters of the type matrix.
      - bdeGetBlockParameterEditorButtonImage
        Returns the button image of a parameter in a given block that has a editor or uneditor widget.
      - bdeGetBlockParameterEditorButtonText
        Returns the button text of a parameter in a given block that has a editor or uneditor widget.
      - bdeGetBlockParameterEnable
        Returns whether or not a parameter of a given block is enabled.
      - bdeGetBlockParameterNames
        Returns the names of the parameters within a given block.
      - bdeGetBlockParameterObjects
        Returns the objects within the parameters section of a given block.
      - bdeGetBlockParameterRowSize
        Returns the row size of a parameter in a given block.
      - bdeGetBlockParameterRowSizeValue
        Returns the row size of a parameter in a given block.
      - bdeGetBlockParametersEditor
        Returns a parameters editor from the given dialog.
      - bdeGetBlockParametersEditorCurrentFieldValue
        Returns the value of a subparameter within a parameter.
      - bdeGetBlockParametersPostCallback
        Returns the script to call for a given block after clicking ok on a parameters dialog.
      - bdeGetBlockParametersPreCallback
        Returns the script to call for a given block before showing the parameters dialog.
      - bdeGetBlockParametersValues
        Gets the values of the parameters in block.
      - bdeGetBlockParameterTab
        Returns the section that the parameter is in within block.
      - bdeGetBlockParameterTabs
        Returns a list of the different section tabs of parameters within the block.
      - bdeGetBlockParameterTexts
        Returns text parameters of a given block.
      - bdeGetBlockParameterTextTooltip
        Returns the tooltip of a given text parameter, parameterName, within block.
      - bdeGetBlockParameterTextValue
        Returns text value of a given text parameter, parameterName, within block.
      - bdeGetBlockParameterTooltip
        Returns a description of a parameter in a given block that is useful for understanding the parameters.
      - bdeGetBlockParameterType
        Returns the type of a parameter in a given block.
      - bdeGetBlockParameterUnit
        Returns the unit of a parameter in a given block.
      - bdeGetBlockParameterValidValues
        Returns a list of the valid values you can use for a specific parameter within block.
      - bdeGetBlockParameterVisibility
        Returns whether or not a parameter of a given block is visible.
      - bdeGetBlockParameterWidget
        Returns the type of widget that is used to enter the parameter within the user interface.
      - bdeGetBlockSubParameterNames
        Returns the names of the sub parameters within a given block.
      - bdeHadBlockParametersEditorModifiedParameters
        Returns whether or not an editor has modified any of its parameters.
      - bdeHideBlockParameter
        Sets the visibility of parameter within block to be not visible. Works with inline blocks. Super blocks are inlined blocks.
      - bdeRemoveBlockParameter
        Removes a parameter from a given block.
      - bdeSaveBlockParametersTabAsImage
        Saves a parameters tab of the dialog box of a given block. Must be saved as .png, .jpg, or .jpeg. Block must be inline. This means the block is not included in the library system.
      - bdeSetBlockParameterButtonCallback
        Sets the callback parameter for the button, buttonName, within block. The callback is ran while the button is shown. Works with inline blocks. Super blocks are inlined blocks.
      - bdeSetBlockParameterButtonDescription
        Sets a description for a button, buttonParameterName, within block. Works with inline blocks. Super blocks are inlined blocks.
      - bdeSetBlockParameterButtonEnable
        Sets the enabled flag for the button, buttonName, within block. Works with inline blocks. Super blocks are inlined blocks.
      - bdeSetBlockParameterButtonImage
        Sets the buttonImage for a parameter within block. Works only with parameters with the widget editor or uneditor. Works only with inline blocks. Super blocks are inlined blocks.
      - bdeSetBlockParameterButtonTooltip
        Sets a shortDescription for a buttonParameter within block. Only works with parameters with the widget type button. Works with inline blocks. Super blocks are inlined blocks.
      - bdeSetBlockParameterButtonValue
        Sets a buttonValue for a button, buttonParameterName, within block. Works with inline blocks. Super blocks are inlined blocks.
      - bdeSetBlockParameterCallback
        Sets the callback script for parameter in a given block. Works with inline blocks. Super blocks are inlined blocks.
      - bdeSetBlockParameterColumnDefaultValue
        Sets a buttonValue for a button, buttonParameterName, within block. Works with inline blocks. Super blocks are inlined blocks.
      - bdeSetBlockParameterDescription
        Sets a short description for a parameter within block. Works with inline blocks. Super blocks are inlined blocks.
      - bdeSetBlockParameterDimension
        Sets the dimension for a parameter within block. Used for parameters with the type of matrix. Works with inline blocks. Super blocks are inlined blocks.
      - bdeSetBlockParameterEditorButtonImage
        Sets the buttonImage for a parameter within block. Works only with parameters with the widget editor or uneditor. Works only with inline blocks. Super blocks are inlined blocks.
      - bdeSetBlockParameterEditorButtonText
        Sets the buttonText for a parameter within block. Works only with parameters with the widget editor or uneditor. Works only with inline blocks. Super blocks are inlined blocks.
      - bdeSetBlockParameterEnable
        Sets a parameter within block to be enabled based on the variable enable. Enable can be a boolean or a string. Only works on inlined blocks. Super blocks are inline blocks.
      - bdeSetBlockParameterRowSize
        Sets the rowSize for a parameter within block. Works only with parameters that have the widget type table. Works with inline blocks. Super blocks are inlined blocks.
      - bdeSetBlockParametersEditorCurrentFieldValue
        Sets the value for a subparameter using an editor. The variable value can be different types depending on what the parameter that is being set is.
      - bdeSetBlockParametersPostCallback
        Sets the script for post callback for a block, which will happen after pressing ok on the dialog box. Works with inline blocks. Super blocks are inlined blocks.
      - bdeSetBlockParametersPreCallback
        Sets the script for pre callback for a block, which will happen before showing the parameters dialog box. Works with inline blocks. Super blocks are inlined blocks.
      - bdeSetBlockParameterTextTooltip
        Sets a description for a textParameter within block. Works with inline blocks. Super blocks are inlined blocks.
      - bdeSetBlockParameterTextValue
        Sets the paramValue for a textParameter in block. Works only with inline blocks. Super blocks are inlined blocks.
      - bdeSetBlockParameterTooltip
        Sets a description for a parameter within block. This should contain useful information on how to use the block's parameter's valid options. Works with inline blocks. Super blocks are inlined blocks.
      - bdeSetBlockParameterType
        Sets the paramType for a parameter within block. Works with inline blocks. Super blocks are inlined blocks.
      - bdeSetBlockParameterUnit
        Sets a unit for a parameter within block.
      - bdeSetBlockParameterValidValues
        Sets the validValues for a parameter within block. Works for parameters with widgets of the type listbox, checkbox, comboboxelement, radiobuttonelement.
      - bdeSetBlockParameterValue
        Sets the value for a parameter using an editor from block. The variable value can be different types depending on what the parameter that is being set is.
      - bdeSetBlockParameterVisibility
        Sets the visibility of parameter within block. Works with inline blocks. Super blocks are inlined blocks.
      - bdeSetBlockParameterWidget
        Sets the type of widget for a parameter within block. Works with inlined blocks. All super blocks are inline blocks.
      - bdeSetWidgetEnabledCurrentValue
        Sets the flag for the enabled flag of a parameter.
      - bdeSetWidgetVisibilityCurrentValue
        Sets the flag for the visible flag of a parameter.
      - bdeShowBlockParameter
        Sets the visibility of parameter within block to be visible. Works with inline blocks. Super blocks are inlined blocks.
    - Dialog
    - Selector Dialog
    - Diagram
    - Editor
    - Links
    - Models
    - Ports
    - Simulation Settings
  - Utility APIs
    Learn about the APIs available for obtaining information from Activate models, for example information about variables and environments.
  - Simulation APIs
    Learn about the APIs available for simulating models.
- Glossary
  Key terms associated with the software.
Frequently Asked Questions
You've got questions? We've got answers!

bdeGetBlockParameterUnit

Returns the unit of a parameter in a given block.

Syntax

unit = bdeGetBlockParameterUnit(block, parameter)

Inputs

block: The block that the parameter is in.; Type: block
parameter: The parameter to get the unit of.; Type: string

Outputs

unit: The unit of the given parameter.; Type: string

Examples

Get a parameter's unit:


          diagram = bdeGetCurrentDiagram();
          block = bdeGetSelectedBlock(diagram);
          unit = bdeGetBlockParameterUnit(block, 'overflow');


          
            unit = 1