### 15.5.23. probe

Returns the value of the specified variable or expression on the specified `Point` object.

    probe(<Variable|Expression>)@<Location>

where:

- `<Variable|Expression>` is a variable or expression.

- `<Location>` is any point object (such as a Source Point or Cartesian Monitor Point).

Important: This calculation should be performed only for point locators described by single points. Incorrect solutions will be produced for multiple point locators.

#### 15.5.23.1. Tools > Command Editor Example

    >calculate probe, <Expression>, <Location>

#### 15.5.23.2. Tools > Function Calculator Example

This example returns the density value at `Point1`:

Function: `probe`, Location: `Point1`, Variable: `Density`

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