Altova FlowForce Server 2023 

Full path: /system/ftp/delete


Deletes a file from the FTP server.


This function returns Boolean TRUE if execution was successful. If the job execution fails, the outcome depends on the value of the Abort on error parameter, as follows:


If the Abort on error parameter is TRUE (default value), the job execution is aborted. In this case, you can still handle errors by means of protected blocks (see Handling Step Errors).

If the Abort on error parameter is FALSE, the function returns FALSE.


If you intend to use the triggerfile parameter in any FTP function, remember that its path is absolute. For an example, see the FTP store function.







FTP Server


Address of the remote FTP server, either as a URL or IP address.


Mandatory parameter.



The port number used to connect to the FTP server. The default value is 21.

Directory on host


The name of the directory, on the host, from which you want to delete a file.


Optional parameter.

Login credentials


The username and password of the FTP account, as a FlowForce credential record, see Credentials.


Skip this parameter if the FTP server does not require credentials.

Use passive mode


Use passive mode if connection problems occur (for example, if routers or firewalls are set up to prevent active connections).

Use SSL/TLS encryption


(Optional parameter, the default value is No.) To transfer information, FTP uses a command channel and a data channel. If you would like to transfer FTP data without encryption, set this value to No. Otherwise, set this value to one of the following:


Explicit with encrypted command channel

Explicit with encrypted command and data channel


If you set any of the two options above, the server certificate will be validated according to the Verify server certificate parameter described below.


Note:Implicit encryption is considered deprecated, and thus not supported in FlowForce.

Verify server certificate


(Optional parameter.) Specifies how FlowForce should verify the FTP server's certificate. Valid values:


No verification - Accept any certificate.

Verify against system certificate store (default value) - On Windows, use the certificate store of the user account running the job and the system store to verify the certificate signature. On Linux, use the system certificate store, usually located in /usr/lib/ssl/cert.pem and /usr/lib/ssl/certs, or the path where the SSL_CERT_FILE and SSL_CERT_DIR environment variables point to.

Verify against selected server certificate - FlowForce will compare the FTP server's certificate with the one specified in the Server Certificate parameter.


Using this parameter requires the presence of a server certificate and a secure connection. If a secure connection cannot be established, the FTP function will fail.

Server certificate


(Optional parameter.) Specifies the path to a certificate object in FlowForce. The specified FlowForce certificate will be verified against the FTP server certificate if you also set the previous parameter to Verify against selected server certificate. Otherwise, this parameter value will be ignored.

Target file


The name of the file that you want delete from the server.


Mandatory parameter.

Abort on error


This Boolean parameter determines what should be the return value of the function if the job fails. If Abort on error is FALSE, the function will return Boolean FALSE as well. If Abort on error is TRUE, the job execution is aborted. The default value is TRUE.



The FTP account name of the user allowed access to the files on the remote server.


Optional parameter.


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