usd_isrelationship

Since	18.0

int  usd_isrelationship(<stage>stage, string primpath, string name)

This function checks whether the primitive has a relationship of a given name.

<stage>

When running in the context of a node (such as a wrangle LOP), this argument can be an integer representing the input number (starting at 0) to read the stage from. The integer is equivalent to the string form referencing a particular input, e.g., “opinput:0”.

You can also use this argument to refer to a USD file (e.g., “/path/to/file.usd”), or to another LOP node’s cooked stage using the op: as the path prefix (e.g., “op:/stage/lop_node”).

primpath

The path to the primitive.

name

The relationship name.

Returns

1 if the primitive has such a relationship, or 0 otherwise.

Examples

examples

// Check if the cube has a relationship "some_relationship".
int is_valid_relationship = usd_isrelationship(0, "/geo/cube", "some_relationship");