Policy control function comprising: one or more processors and memory storing instructions that, when executed by the one or more processors, cause the apparatus to perform: receiving, from a first application function (AF-1), a first traffic influence request information related to a protocol data unit session; receiving, from a second application function (AF-2), a second traffic influence request information related to the protocol data unit session; wherein at least one of first priority information is received along with the first traffic influence request information; second priority information is received along with the second traffic influence request information and wherein at least one of the first traffic influence request information comprises an indication of the first priority; and the second traffic influence request information comprises an indication of the second priority; deciding, based on the first priority and the second priority, which of the first traffic influence request information and the second traffic influence request information has a higher priority, wherein the first priority is related to the first traffic influence request information, and the second priority is related to the second traffic influence request information; generating a first policy based on the first traffic influence request information if it is decided that the first traffic influence request information has the higher priority; generating a second policy based on the second traffic influence request information if it is decided that the second traffic influence request information has the higher priority; providing the generated one of the first policy and the second policy to a session management function associated to the protocol data unit session. receiving, from a first application function (AF-1), a first traffic influence request information related to a protocol data unit session; receiving, from a second application function (AF-2), a second traffic influence request information related to the protocol data unit session; wherein at least one of first priority information is received along with the first traffic influence request information; second priority information is received along with the second traffic influence request information and wherein at least one of the first traffic influence request information comprises an indication of the first priority; and the second traffic influence request information comprises an indication of the second priority; deciding, based on the first priority and the second priority, which of the first traffic influence request information and the second traffic influence request information has a higher priority, wherein the first priority is related to the first traffic influence request information, and the second priority is related to the second traffic influence request information; generating a first policy based on the first traffic influence request information if it is decided that the first traffic influence request information has the higher priority; generating a second policy based on the second traffic influence request information if it is decided that the second traffic influence request information has the higher priority; providing the generated one of the first policy and the second policy to a session management function associated to the protocol data unit session.