blockly > Block > setOutput
Block.setOutput() method
Set whether this block returns a value.
Signature:
setOutput(newBoolean: boolean, opt_check?: string | string[] | null): void;
Parameters
| Parameter |
Type |
Description |
| newBoolean |
boolean |
True if there is an output. |
| opt_check |
string | string[] | null |
(Optional) Returned type or list of returned types. Null or undefined if any type could be returned (e.g. variable get). |
Returns:
void
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Last updated 2024-09-18 UTC.
[null,null,["Last updated 2024-09-18 UTC."],[[["The `setOutput` method determines if a block produces a value or not."],["It takes a boolean argument (`newBoolean`) indicating the output status and an optional `opt_check` for specifying the output type(s)."],["Calling `setOutput` does not return any value (void)."]]],["The `Block.setOutput()` method determines if a block returns a value. It accepts a boolean `newBoolean`: `true` indicates an output exists, `false` otherwise. An optional `opt_check` parameter specifies the type or types returned, using a string or string array. If `null` or `undefined`, any type is acceptable. The method's return type is `void`. The key actions are setting and defining the parameters of a block's output status and its type.\n"]]
