# Check for Key in Dictionary

Searches the dictionary and determines whether a pair with the specified key exists in the dictionary.

<table data-header-hidden><thead><tr><th width="234" valign="top"></th><th width="325" valign="top"></th></tr></thead><tbody><tr><td valign="top">Dictionary</td><td valign="top">[Dictionary] The dictionary in which to check for the presence of a pair with the specified key.</td></tr><tr><td valign="top">Key</td><td valign="top">[Text/List] The key or list of keys whose presence needs to be checked in the dictionary. The block will stop processing if at least one of the specified keys is found.</td></tr><tr><td valign="top">Whole Word</td><td valign="top"><p>Word boundaries will be considered during the search.</p><p>For example, with the property enabled, the value "Value" will be found in the text "This Value", but will not be found in the text "This ValueTest". If the property is disabled, the value "Value" will be found in both examples.</p></td></tr><tr><td valign="top">Check Type</td><td valign="top"><p>Select the type of check.</p><p>Possible values:</p><ul><li>"Include" - the value must be present in the dictionary;</li><li>"Exclude" - the value must not be contained in the dictionary.</li></ul></td></tr><tr><td valign="top">Reverse Check</td><td valign="top">When checking, swap the input values. When this property is enabled, the presence of values from the dictionary will be checked in the specified property "Key".</td></tr><tr><td valign="top">Extended Check</td><td valign="top">If enabled, the check will use wildcards. For example: "test*", "te?t". If the property is disabled, the check will be performed in a simple way and will occur faster.</td></tr><tr><td valign="top">Case Sensitive</td><td valign="top">If this property is enabled, the case of characters will be considered during the check; otherwise, it will be ignored.</td></tr><tr><td valign="top">Key</td><td valign="top">[Text] The full text of the found key.</td></tr><tr><td valign="top">Value</td><td valign="top">[Text] The full text of the found element.</td></tr><tr><td valign="top">Error Handling Level</td><td valign="top"><p>Select the error handling level. Possible values:</p><ul><li>"Default" - by default;</li><li>"Ignore" - errors are ignored;</li><li>"Handle" - errors are handled.</li></ul><p>If "Default" is selected, the value from the "Start" block of this diagram will be used.</p></td></tr><tr><td valign="top">Exit Direction</td><td valign="top"><p>Select the exit direction from the block in case of an error.</p><p>Possible values:</p><ul><li>"Default" - by default;</li><li>"Right" - to the right;</li><li>"Bottom" - down.</li></ul><p>This property allows you to determine the exit direction in case of errors for blocks that do not contain the "If Error" connector (for example, the "Condition" block).</p><p>If "Default" is selected, the value from the "Start" block of this diagram will be used.</p></td></tr><tr><td valign="top">Message Level</td><td valign="top"><p>Select the message level that blocks will output during operation. Possible values:</p><ul><li>"Default" - by default;</li><li>"Release" - output is disabled;</li><li>"Debug" - main information output;</li><li>"Detailed" - detailed information output.</li></ul><p>If "Default" is selected, the value from the "Start" block of this diagram will be used.</p></td></tr><tr><td valign="top">Error Text</td><td valign="top">[Text] Returns detailed information about the error in case of incorrect execution of the block's work.</td></tr></tbody></table>


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