ACI API 26.3
ACI API Programming Guide

# Function Summary

The C-language functions can be divided into several categories as identified in the table below.

C-language functions

Function | Description
--- | ---
Initialization and housekeeping
`aciInit` | Initializes the ACI API.
`aciInitEncryption` | Initializes the encryption keys to use for subsequent ACI connections.
`aciShutdown` | Cleans up at the end of an ACI client session.
`aciObjectCreate` | Creates an ACI object.
`aciObjectDestroy` | Destroys an ACI object.
`aciObjectIsAlive` | Determines whether the object is alive.
`aciObjectDeleteObject` | Deletes a single ACI object.
`aciObjectGetVersion` | Returns the version string of ACI client.
`aciClientFreeMemory` | Frees memory allocated with ACI client.
`acioGetErrorDescription` | Returns an error description.
Execution
`aciObjectExecute` | Executes an action.
`aciObjectExecuteToString` | Executes an action to a string buffer.
`aciObjectCheckForSuccess` | Determines whether the execution was successful.
Access
`aciObjectParamSetString` | Sets a string parameter in an object.
`aciOjbectParamSetStringN` | Sets a string parameter with a length.
`aciObjectParamSetStringB` | Sets a binary data parameter with a length.
`aciObjectParamSetFile` | Sets a file parameter in an object.
`acioParamGetString` | Gets a string parameter in an object.
`acioParamGetStringMoveOriginal` | Gets a string parameter in, and removes it from, an object.
`aciObjectParamSetInt` | Sets an integer parameter in an object.
`acioParamGetInt` | Gets an integer parameter in an object.
`aciObjectParamSetUnsignedInt` | Sets an unsigned integer parameter in an object.
`acioParamGetUnsignedInt` | Gets an unsigned integer parameter in an object.
`aciObjectParamSetLong` | Sets a long parameter in an object.
`acioParamGetLong` | Gets a long parameter in an object.
`aciObjectParamSetBool` | Sets a boolean parameter in an object.
`acioParamGetBool` | Gets a boolean parameter in an object.
`aciObjectParamSetDouble` | Sets a double parameter in an object.
`acioParamGetDouble` | Gets a double parameter in an object.
`aciErrorStatusCreate` | Creates an error status structure.
`aciErrorStatusDestroy` | Destroys an error status structure.
`aciErrorStatusReset` | Resets an error status structure.
`aciResponseGetErrorStatus` | Extracts error status information.
`acioGetFirstVariable` | Accesses the parameter list of an ACI object.
`acioGetNextVariable` | Accesses the next variable (parameter) in the list after the one passed in.
`acioGetVariableName` | Accesses the name of an ACI object variable.
`acioGetVariableValue` | Accesses the value of an ACI object variable.
Search and iteration
`aciObjectFirstEntry` | Locates the first child entry of a result.
`aciObjectNextEntry` | Locates the next child entry of a result.
`acioNextNamedEntry` | Locates the next child entry of a result that matches the name.
`aciObjectParentEntry` | Returns a pointer to the parent entry of the object.
`acioFindFirstOccurrence` | Locates the first occurrence of a tag.
`acioFindFirstOccurrenceFromRoot` | Locates the first occurrence of a tag.
`acioFindFirstEnclosedOccurrence FromRoot` | Locates the first occurrence of a tag from the object's immediate children.
`aciObjectToString` | Prints an ACI object.
`acioGetTagValue` | Obtains the value of a tag.
`aciObjectGetTagValueWithDefault` | Obtains the value of a tag.
`acioGetValue` | Obtains the content from an ACI object.
`acioGetName` | Obtains the name of an ACI object.
`aciObjectToXMLString` | Converts an ACI object to XML format.
`aciObjectToXMLStringNoFormat` | Converts an ACI object to XML without any formatting.
`aciObjectAddAttribute` | Adds an `aciObjectVariable` to the object's attribute linked list.
`aciObjectAttributeGetNames` | Populates an array of strings with the names of all the attributes of the XML tag represented by the object.
`aciObjectAttributeGetNamesAnd ValuesNoCopy` | Retrieves an array of attribute names and values of an ACI object.
`acioAttributeGetValue` | Gets the value of an attribute.
`aciObjectResponseToStringArray` | Returns all values of a tag in an ACI response object.
Security
`aciObjectSetSecurityKeys` | Sets the security keys.
`aciObjectSetUserSecurityInfo` | Sets the user-level security for documents.

Copyright 2026 Open Text
Version 26.3 | Last updated July 2026

Send documentation feedback

Close

Send documentation feedback

To send feedback using your default email client, open an email window.

Otherwise, send your feedback and the information below to MFI-swpdl.idoldocsfeedback@opentext.com.

We appreciate your feedback!

Product: Knowledge Discovery ACI API 26.3

Topic Title: Function Summary