Function Probe

Periodically probe a function and set its value to this variable. To poll a stream for a level, use this with the Probe Signal block.

Parameters
(R): Run-time adjustable


 * Block ID
 * ID of another block in this flow graph. An empty Block ID references the flow graph itself.


 * Function Name
 * Name of a class method of the block labeled in Block ID.


 * Function Args
 * Parameters passed into the function specified under Function Name. For a function with no arguments, leave function args blank. When passing a string for the function arguments, quote the string literal: '"arg"'. The values will used literally, and generated into the following form:

self.block_id.function_name(function_args)
 * or, if the Block ID is empty,

self.function_name(function_args)


 * Poll Rate
 * in Hz.


 * Initial Value (R)
 * Initial value of function