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SYNTAX:
 
xpxGetAttrs (instanceId         : GENERIC;
              numberOfAttributes : INTEGER;             attrId1            : GENERIC;
              VAR attrValue1     : GENERIC             ...             ...             attrIdN            : GENERIC;
              VAR attrValueN     : GENERIC)             status             : INTEGER;
 
The xpxGetAttrs function reads the value of the specified attributes of the specified instance and returns the actual attribute values in the arguments named attrValue1 to attrValueN; The argument instanceId specifies the actual instance and the argument numberOfAttributes specifies the number of attribute values to read.
Each attribute and attribute value is specified as a pair of arguments; attrId1 and attrValue1, attrId2, attrValue2 etc..
The attrId arguments can be retrieved by the xpxGetAttrDefinition and xpxGetAttrDefinitionBN functions
This function is equivalent to the EDMinterface function sdaiGetAttrs

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