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blockly > VariableMap > createVariable
VariableMap.createVariable() method
Create a variable with a given name, optional type, and optional ID.
Signature:
createVariable(name: string, opt_type?: string, opt_id?: string): IVariableModel<IVariableState>;
Parameters
| Parameter |
Type |
Description |
| name |
string |
The name of the variable. This must be unique across variables and procedures. |
| opt_type |
string |
(Optional) The type of the variable like 'int' or 'string'. Does not need to be unique. Field_variable can filter variables based on their type. This will default to '' which is a specific type. |
| opt_id |
string |
(Optional) The unique ID of the variable. This will default to a UUID. |
Returns:
IVariableModel<IVariableState>
The newly created variable.
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Last updated 2025-05-16 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-05-16 UTC."],[[["The `createVariable()` method creates a new variable with a unique name within the workspace."],["Variables can optionally have a type (e.g., 'int', 'string') and a unique ID, which defaults to a UUID if not provided."],["The method returns a `VariableModel` object representing the newly created variable."]]],[]]
